action of sulfur trioxide with atmospheric water droplets results in sulfuric acid, a contributor to acid rain. according to the equation below, how many moles of sulfuric acid can you predict will be formed from 58.0 g of so3 and an excess of water?

The answer is that the percent composition of sulfate in the unknown sulfate salt is 100%. This indicates that all of the salt was sulfate, and that the white precipitate was composed entirely of sulfate.

Percent composition is a concept in chemistry that refers to the relative proportions of the elements that make up a chemical compound, expressed as a percentage by mass.

The percent composition of sulfate in the unknown salt can be calculated using the following equation:
(Mass of precipitate/Mass of unknown sulfate salt)*100 = % composition of sulfate
In this case, the calculation is:
(0.563 g/0.343 g)*100 = 164.4%
Since it is not possible for something to have more than 100% composition, the answer is that the percent composition of sulfate in the unknown sulfate salt is 100%. This indicates that all of the salt was sulfate, and that the white precipitate was composed entirely of sulfate.

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The given equation MnO⁻⁴(aq)+Al(s)→Mn⁺²(aq)+Al⁺³(aq) is unbalanced equation . The balanced form of this equation is :

3MnO⁻⁴ + 5Al + 24H → 3Mn⁺² + 5Al⁺³ + 12H₂O

In this reaction, Mn is reduced, and Al is oxidized. So, the oxidation and reduction half-reactions are:

Al → Al⁺³

MnO⁻⁴→Mn²⁺

On balancing O and H, the equations become:

Al→Al⁺³

MnO⁻⁴ + 8H⁺→Mn⁺² + 4H₂O

After balancing charges, the equations become:

Al→Al³⁺ +3e−    -(I)

MnO⁻⁴ +8H⁺ +5e− → Mn2++4H₂O      --(II)

To make electrons gained and electrons lost equal, multiply equation (I) by 5 and equation (II) by 3.

5Al → 5Al⁺³ + 15e−     --(III)

3MnO⁻⁴+ 24H⁺ + 15e− → 3Mn⁺² + 12H₂O    -(IV)

On adding equations (III) and (IV) we get the following balanced equation:

3MnO⁻⁴ + 5Al + 24H → 3Mn⁺² + 5Al⁺³ + 12H₂O.

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H₂ gas is collected over water in a sample. The pressure exerted by this gas is 0.97 atm.

Water displacement can be used to gather a gas created during a chemical reaction. As a result of being collected above water, the gas isn't really pure because it has been mixed with water vapor via evaporation. Dalton's law can be used to calculate how much of the desired gas is present after taking the contribution of the water vapor into account.

Then, the total pressure is given by [tex]\mathrm{P_{total}=P_{dry\;gas}+P_{water\;vapor}}[/tex]. Then, the total pressure for the given situation is written as [tex]\mathrm{P_{total}=P_{H_2}+P_{H_2O}}[/tex]. Using this formula, the pressure exerted by the hydrogen is calculated as follows,

[tex]\begin{aligned}\mathrm{P_{H_2}}&=\mathrm{P_{total}-P_{H_2O}}\\&=\mathrm{1.03\;atm-0.06\;atm}\\&=\mathrm{0.97\;atm}\end{aligned}[/tex]

The required answer is 0.97 atm.

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The resultant of the reaction when their change in Enthalpy is positive, change in Entropy is negative and the gibbs free energy is positive is  non spontaneous Reaction. Under the specified conditions, this reaction does not promote the creation of products. A reaction must be endothermic, followed by a reduction in entropy, or both in order to be considered nonspontaneous.

The following are the relationships between spontaneity, entropy, and enthalpy:

Gibbs energy will be negative at all temperatures if enthalpy is negative and entropy is positive.

At low temperatures, Gibbs energy will be negative if enthalpy and entropy are both negative.

At any temperature, Gibbs energy won't be negative while enthalpy is positive and entropy is negative. There wouldn't be an unforeseen response.

At high temperatures, Gibbs energy will be negative while enthalpy and entropy are both positive.

As a result, the change in reaction free energy is what ultimately determines whether a reaction is possible.

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Answer:

The atomic mass or mass number of an element is the total number of protons and neutrons in the nucleus of the atom.

Explanation:

done

Answer:

mass number

nucleus of an atom

I love physic

If the reaction between 8.3g of sodium & 4.5g of chlorine produces an actual yield for sodium chloride of 6.4g, so the percent yield becomes 86%.

The ionic compound salt, also known as sodium chloride, has the chemical formula NaCl. Sodium chloride is utilized as electrolytes replenisher to help lessen heat cramps caused over by excessive sweating. This drug is also used to make a standard isotonic sodium chloride solution. It's used as a preservative as well as a spice for enhance flavor. In addition, sodium chloride is used to make polymers and other products.

By using the formulae -

Actual yield divided by theoretical yield multiplied by 100 to get percent yield.

percent yield = 6.4 / 7.4 × 100

percent yield = 86%

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V = Mass /Density

Density is supposed to be given, but its not
solids typically have a density of 5.03 g/cm^3

V = 10.3/5.03
V = 2.05 cm^3

As the pressure on an increases, the volume of a gas declines because the gas atoms are forced closer together.

Let's first go through PV = nRT, the ideal gas law. P stands for pressure in atmospheres, V for volume in liters, n for moles of particles, T for temperature in Kelvin, and R for the ideal gas constant in this equation (0.0821 liter atmospheres per moles Kelvin).

What impact does pressure have on the reaction's speed? Pressure raises the concentration of the gases, which raises the pace of reaction. The reaction rate falls in the opposite direction and rises in the direction of less gaseous molecules.

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Under a standard conditions diamond converts to graphite spontaneously.

The constant of thermodynamic equilibrium K is the correct quotient of species activities in a reaction equilibrium. An activity cannot be many orders of magnitude greater than 1 at ordinary temperature as well as pressure.

Thermodynamic properties are termed as system characteristics that can specify the system's state. Some constants, such as R, do not explain the state of a system and so they are not attributes. Transformation of diamond to graphite is spontaneous as well as advantageous, according to thermodynamics. However, because of kinetics rather than thermodynamics governs this reaction, it proceeds at an exceedingly slow rate. Diamond will be kinetically stable but thermodynamically unstable.

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If an electrochemical cell has a positive standard cell potential but a negative cell potential K>1; Q>K.

The standard electrode potential is a gauge of the equilibrium potential. The potential of the electrode is the difference in potential between the electrode and the electrolyte. When the concentrations of all the species present in a semi-cell are represented by unity, the electrode potential is referred to as the standard electrode potential.

Given E0 cell is positive and Ecell is negative. Such that from the below equation we can find that Ecell = E0cell - (0.0592/nF)logQ. So, if Q>K then the required conditions are met. These conditions represent a spontaneous redox reaction.

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The amount that would be produced by the reaction if it were complete is known as the theoretical yield. yield in percentage: 0.15 / 0.16 x 100 = 93.75%

Chemical Response: Chemical reactions are the processes by which a substance or substances change chemically to create a new substance or substances with entirely new attributes. Products are completely distinct in nature and identity from reactants.

Combination, decomposition, single-replacement, double-replacement, and combustion are the five fundamental types of chemical reactions. You can classify a reaction into one of these groups by looking at the reactants and products. Several categories will apply to some reactions.

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The length of this shipwright is equal to 0.412 meter.

In Science, a conversion factor can be defined as a number that is typically used to convert (change) a number in one (1) set of units to another, either by dividing or multiplying.

Generally speaking, an appropriate conversion factor to an equal value must be used when it is necessary to perform any mathematical conversion.

Conversion:

100 centimeters = 1 meter.

41.2 centimeters = X meter.

Cross-multiplying, we have:

100X = 41.2

X = 41.2/100

X = 0.412 meter.

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The Lyman series is a hydrogen spectral series of transitions and resulting ultraviolet emission lines when an electron moves from n=6 to n = 1 with a frequency of 1.066nm.

Given the electrons are de-excited from n2 = 6 to n1 = 1

From the formula we can observe that, 1/∧ = RZ^2(1/n1^2 - 1/n2^2)

where R is Rydberg’s constant =  109677 cm-1 and Z is atomic number.

Since it is hydrogen atom its atomic number = 1

We know that frequency(f) = c/∧ where 1/∧ = f/c

So, f/c = RZ^2(1/n1^2 - 1/n2^2) where c is speed of

f = 109677 x 10^2 x 1 x (1 - 1/36)

f = 10663041.6 = 1.066nm.

Hence the frequency of the n = 6 line in the lyman series of hydrogen is 1.066nm.

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The type of non-equivalent protons are present in each of the following molecules:

a. 6 non-equivalent protons

b. 4 non-equivalent protons

c. 4 non-equivalent protons

Protons that are equivalent, that is, present in the same environment, produce the same peaks. In the proton spectra, non-equivalent protons have different peaks or signals. There are two'sets' of protons in methyl acetate, for example. The three Ha protons have a different - and easily distinguishable - resonance frequency than the three Hb protons because they are in non-identical environments: they are chemically nonequivalent. All three Ha protons, as well as all three Hb protons, are chemically equivalent in NMR terminology. However, the Ha protons are not chemically equivalent to the Hb protons. As a result, the resonance frequency of Ha protons differs from that of Hb protons.

Here,

Each of the following molecules contains the following types of non-equivalent protons:

a. 6 non-equivalent protons

b. 4 non-equivalent protons

c. 4 non-equivalent protons

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The expression can be factored as (4h + 11)(4h + 11).

What exactly is an expression?

In chemistry, an expression is a basically statement or equation that describes the relationship between different chemical quantities. It usually involves mathematical operations and chemical symbols that represent elements and compounds. Expressions are used to describe chemical reactions, predict their outcomes, and develop new theories and models of chemical behavior.

This is because 4h + 11 can be written as (2h + 5)(2h + 5) and since 4h + 11 appears twice in the expression, we can factor it out of the entire expression.

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The [OH-] Of A 0.180 min F- Solution. Ka For HF Is 6.8 X 10-4. E.

[OH^-] = 0.004 Moles

To determine the [OH-] of a solution, we can use the relationship between the acid dissociation constant (Ka) and the base dissociation constant (Kb).

The relationship is: Kb x Ka = Kw

Where Kw is the ion product constant of water which is 1.0 x 10^-14 at 25°C.

We know that the Ka of HF is 6.8 x 10^-4. To find the Kb of F-, we'll use the above terms.

Kb x 6.8 x 10^-4 = 1.0 x 10^-14

Kb = 1.0 x 10^-14 / 6.8 x 10^-4

Kb = 1.47 x 10^-11

To find the [OH-] of the solution, we'll use theformulae:

[OH-] = sqrt(Kb)

[OH-] = sqrt(1.47 x 10^-11)

[OH-] = 0.0038

So the [OH-] of the solution is 0.0038 M

However, the question requires to express the answer using two significant figures. So, the [OH-] of the solution is 0.004 M

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The statements which are true concerning a dynamic chemical equilibrium are the rates of the forward and reverse reactions are the same, the amounts of reactants and products is the same.

Dynamic equilibrium is the condition of a system where the reversible reaction that is occurring in it ceases changing the ratio of reactants to products, but there is still movement of substances in the reaction. Chemical equilibrium is dynamic because under this equilibrium condition the concentrations of reactant and product are unchanged and the forward and backward reaction velocities are equal.

The Le Chatelier principle is as follows: A movement in the equilibrium's location counteracts the effect of a change in one of the variables that characterizes a system at equilibrium.

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In a potential future fusion power plant such as a tokamak or stellarator, neutrons from DT reactions would generate power for our use.

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The dissolution of agcl 55.7  kJ⋅mol−1, The free energy change for the dissolution of AgCl is 55.7  kJ⋅mol−1 and the solubility product of silver chloride is 1.7  × 10^-10.

The mathematical concept of "product" is the combination of more than one number. In those other words, a formula that specifies the multiplicands. The outcome of multiplication the two numbers together, multiplier and multiplicand, is the product.

AgCl(s) ⇄ Ag+(aq) + Cl−(aq)

ΔG∘rxn =  77.1 kJ⋅mol−1 + (−131.2 kJ⋅mol−1) - ( −109.8 kJ⋅mol−1)

ΔG∘rxn = 55.7  kJ⋅mol−1

Then;

ΔG∘rxn = -RTlnKsp

Ksp = e^-(ΔG∘rxn/RT)

Ksp = e^-(55.7  × 10^3J⋅mol−1 /8.314 × 298 K)

Ksp = 1.7  × 10^-10

A product, or an expression that specifies factors to be multiplied, is what happens when you multiply two numbers in mathematics. For instance, 30 is the result of multiplying 6 by 5 to get 5.

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The equilibrium constant at 615 K for each of the following reactions-

A.)  4.622 * 10^(-5)

B.)  5.545

The ratio of reactant to product amounts that is used to predict chemical behavior is the definition of the equilibrium constant for a chemical process. In a state of equilibrium, the forward reaction rate equals the backward reaction rate.

A static (like a body acted upon by forces whose resultant is zero) or dynamic (like a reversible chemical reaction where the velocities in both directions are equal) state of balance between opposing forces or actions: a state of intellectual or emotional equilibrium.

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The molar mass of the unknown gas is 17.64 g/mol.

Molar mass is a measure of the mass of a given chemical compound, which is calculated by dividing the mass of the substance in grams by its amount in moles.

The molar mass of the unknown gas can be calculated using Graham's law of effusion, which states that the rate of effusion of a gas is inversely proportional to the square root of its molar mass. The equation can be written as follows:
rate of effusion of unknown gas = (rate of effusion of methane) x (sqrt(molar mass of unknown gas))/sqrt(molar mass of methane)
Substituting the given values, we get:
29.0 ml/min = (47.8 ml/min) x (sqrt(molar mass of unknown gas))/sqrt(16.04 g/mol)
Solving for the molar mass of the unknown gas, we get:
molar mass of unknown gas = (16.04 g/mol) x (29.0 ml/min)^2 / (47.8 ml/min)^2
molar mass of unknown gas = 17.64 g/mol

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Chloride ions, IS 1.21 1022 8.28 1021 ions of chloride Chloride ions, 2.48 1022 4.02 1023 and 5.79 1024 chloride ions, respectively.

Halogen picks one electron to become an anion (negatively charged ion), Cl, which creates the chloride ion. The hydrochloric acid HCl salts, commonly known as chlorides, are composed of chloride ions. Sea salt, which itself is sodium chloride and has the chemical formula NaCl, serves as an illustration.

Nearly two thirds of all the anions in the extravascular space are chloride ions. They are required for the maintenance of the brain's osmolality, water content, and acid-base balance. The production of hydrogen chloride (HCl) in the stomachs also requires chloride.

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The ratio of partial pressures (o2:ne) in the container is 2.07.

The pressure that is exerted by one among the mixture of gases if it occupies the same volume on its own is known as Partial pressure. Every gas exerts certain pressure in a mixture. The total pressure of a mixture of an ideal gas is the sum of partial pressures of individual gases in the mixture, based on the following equation:

[tex]V_{x}[/tex] denotes the partial pressure of the particular gas.

[tex]P_{x}[/tex] indicates the partial pressure of the gas x.

[tex]V_{tot}[/tex] denotes the total volume of the mixture.

Nx indicates the amount of gaseous substance.

[tex]P_{tot}[/tex]denotes the total pressure of the mixture.

[tex]N_{tot}[/tex] is the total amount of substance in a mixture.

Given that,

[tex]$$P_0=7.36 \text { with, } v_0=36 . \quad T=298 k$$[/tex]

we know that,

[tex]$$\begin{aligned}P_{O_2} v_3=n_0 & \{T \\\text { m } \quad n_{2_2} & =\frac{P_0 \times V_{\mathrm{O}_2}}{R T}=\left(\frac{7.362 m \times 34}{0.082 \times 298}\right) \\n_{\mathrm{B}_2} & =0.90_3 \mathrm{~m} 1\end{aligned}$$[/tex]

Now,

[tex]$$\begin{aligned}& P_{\text {Ne }}=5.08 \mathrm{~atm} \quad V_{\text {Ne }}=2.10 \mathrm{~L} \\& n_{\text {re }}=\frac{P_{\text {re }} \times V_{\text {Ne }}}{R T} \\& n_{\text {re }}=\frac{(5.08 \times 2.10)}{(0.182 \times 298)}=0.436\end{aligned}$$[/tex]

Now,

in container pressure of [tex]$O_2=P_{0_2}({mix})$[/tex]

in container pressure of Ne [tex]=P_{Ne}({mix})$[/tex]

[tex]& P_2({mix})=x_{0_2} \times P_{\text {total }} . \quad \quad P_{\text {total }}=f_2+P_{\text {are }} \\&\end{aligned}[/tex]

[tex]P_{0_2}({mix})$[/tex] = [tex](\frac{0.903}{0.90308})[/tex]×[tex]12.44[/tex]      = [tex]( 7.36+5.08)[/tex]

[tex]P_{0_2}({mix})$[/tex] = [tex]8.38[/tex]atm                [tex]Patom[/tex] [tex]=12.44[/tex] atm

[tex]$$\begin{aligned}& P_{\text {Ne (mix)}}=x_{\text {ne }} \times P_{\text {total }} \\& =\frac{0.436}{(0.90870 .436)} \times 12.44 \\& P_{\text {Ne(mix) }}=4.03 \text { atm } \\&\end{aligned}$$[/tex]

Now,

[tex]$\begin{aligned} \frac{P_{0_2 \text { (mixther) }}}{P_{\text {Ne (Mistare) }}} & =\left(\frac{8.38}{4.03}\right) \\ & =2.07\end{aligned}$[/tex]

Therefore, the ratio of partial pressures (o2:ne) in the container is 2.07.

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The fraction of the strontium-90 that remained in people's bones in 1990 can be determined by using the formula:

N(t) = N0 * (1/2)^(t/T)

Where N(t) is the remaining amount of strontium-90 in people's bones at time t, N0 is the initial amount absorbed in 1962, t is the time elapsed (1990 - 1962 = 28 years), and T is the half-life of strontium-90 (27 years).

So, N(1990) = N0 * (1/2)^(28/27) = N0 * (1/2)^1 = N0 * (1/2) = 0.5 * N0

Therefore, the fraction of strontium-90 that remained in people's bones in 1990 is 1/2 or 0.5.

Strontium ium is veritably analogous to calcium and can replace calcium in the bone. This disrupts the normal bone structure, leading to cadaverous problems and blights. babies, children, adolescents, and people who don't get enough calcium are at advanced threat of dangerous health goods related to strontium exposure.

Strontium is a soft, argentine metallic element set up in jewels, soil, dust, coal and oil painting. Strontium set up in nature isn't radioactive and is occasionally called stable strontium.

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In the octahedral crystal field, there are two subgroups of the d orbitals that are separated from one another by energy: three t2g and two eg orbitals.

Crystal field splitting in the octahedral complex. The splitting of the degenerate level in the presence of a ligand is referred to as crystal field splitting. The energy difference between the t2g and eg levels is denoted by the letter "o." (subscript o stands for octahedral).

A regular octahedron is a closed crystallographic structure that has isometric symmetry and eight equilateral triangle-shaped faces to set it apart from the definition of an octahedron that is given below. Frequently found in isometric minerals like magnetite, pyrite, fluorite, and diamond.

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Property M: Physical property because nothing happens to the atoms of the various substances in the sample, this is a physical attribute. The magnet is used to remove the metallic specks from the sample.

Property O: Chemical property because a reaction is carried out inside.

Property Q: Chemical property because a reaction is carried out inside.

Observables are a term used to describe physical characteristics. These attributes are not modal. Physical amount refers to a physical property that may be measured. Intensive and extensive properties are frequently used to describe physical properties.

Physical characteristics: As this concrete block demonstrates, the matter has mass and volume. When you try to pick it up, you can feel how heavy it is, and you can see its volume by gazing at it and observing its size. Examples of comprehensive physical attributes include mass and volume.

The capacity of a substance to go through a particular chemical transition is described by its chemical property. We search for a chemical change to locate a chemical attribute. Every time there is a chemical transition, one or more new sorts of matter are created that weren't there before.

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It will be a spontaneous reaction with a ΔSuniv value of -116 J/K.

Chemical parts or chemical elements make up substances. A response is a behavior, tendency, or action that differs from the one that was planned. In the heat of the moment, decisions are made without much consideration or thought of the possible consequences. Reaction: Making a statement as a reaction to an action or remark made by another person.

Numerous examples of chemical processes can be found in daily life, including photosynthesis, rust, baking, digestion, combustion, chemical batteries, fermentation, and washing with soap and water. There really are chemical reactions occurring everywhere, not just in the science lab.

a) ΔSsurr = -ΔH∘rx/T

ΔSsurr = -84 kJ/ 300 K

= 0.28 kJ/K = 28.0 J/K

ΔSuniv = ΔSsyst + ΔSsurr

ΔSuniv = -144J/K + 28.0 J/K

= -116 J/K

This will be spontaneous

b) ΔSssur = -84 kJ/ 751 K

= 0.1118 kJ/K

= 111.8 J/K

ΔSuniv = 144J/K + 111.8 J/K

= 255.8 J/K

This is non-spontaneous

c) ΔSsur = - 84 kJ/ 300 K

= - 28.0J/K

ΔSuniv = - 144J/K + (-28.0) J/K

= - 172 J/K

This will be spontaneous

d) ΔSssur = +84 kJ/ 406 K

= 0.2068 kJ/K

= 206.8 J/K

ΔSuniv = 144J/K + 206.8 J/K

= 350.8 J/K

This will be non-spontaneous

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Effective nuclear charge does not depend on the number of electrons present in atom--  false ;  A 1s electron in Be atom has smaller Zeff than a Is electron in Li atom-- false.

The effective nuclear charge is actual amount of positive charge experienced by electron in multi-electron atom.

Effective nuclear charge does not depend on number of electrons present in atom. - False

A 1s electron in Be atom has smaller 4 than Is electron in a Li atom. - False

Across period, as Zeff increases, then atomic size increases - False

Electrons in an s orbital are more effective than those in other orbitals at shielding other electrons from nuclear charge - True

Effective nuclear charge increases from left to right across a period on periodic table. - True

In  N atom, a Is electron has a greater Zeff than 2s electron. - False

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To calculate the percent yield, we need to divide the actual yield (the amount of product produced) by the theoretical yield (the amount of product that should be produced based on the stoichiometry of the reaction) and multiply by 100.

Actual yield = 280 kg acetaminophen

Theoretical yield = 280 kg acetaminophen + 70 kg waste

percent yield = (actual yield / theoretical yield) x 100

percent yield = (280 / (280 + 70)) x 100 = 280/350 x 100 = 80%.

So the percent yield is 80%. This means that 80% of the theoretical yield was actually produced, and 20% of the theoretical yield was lost as waste.

Answer: :)

Explanation: