In a titration, 25.0 mL of a 0.40 M NaOH solution is used to neutralize 10.0 mL of HCl. Calculate the molarity of the acid.

Answers

Answer 1

The molarity of the HCl acid will be 0.001 M.

What is Neutralization ?

A neutralization reaction is when an acid and a base react to form water and a salt and involves the combination of H⁺ ions and OH⁻ ions to generate water.

This is the neutralization of a strong acid (HCl) and a strong base (NaOH), which is ruled by this equation :

HCl (aq) + NaOH (aq) → NaCl (aq) + H₂O (l)

Mole Ratio : 1 mol HCl : 1 mol NaOH

Formula used ;

Molarity  = number of moles  / Volume  (in liters)

Solve for n ;

n = M × V

Substitute values and compute ;

n = 0.40 M × 0.025 liter = 0.01 moles NaOH.

As the molar ratio is NaOH : HCl

Therefore, there will be same number mole for the HCl

Now, Molarity of HCl Solution ;

Molarity = n / volume

Molarity = 0.01 / 10

             =  0.001 M HCl

Hence, The molarity of the HCl acid will be 0.001 M.

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Related Questions

Using the conclusion from ruthefords model, identify a charged subatomic particle that is located in the nucleus

Answers

You could say either protons or neutrons.

Which of the mentioned are the principal constituents of an organic compound?
O
O
O
Carbon, Oxygen and Nitrogen
Carbon, Oxygen and Hydrogen
Carbon, Oxygen and Sulphur
Carbon, Oxygen and Sulphur

Answers

Answer:

the basic element of organic compounds is carbon and they are called organic because associate with the living organism so the correct answer is

Why are reaction orders not always equal to the coefficients in a balanced chemical equation?

Answers

The reaction order is given as the  relationship between the concentrations of the reactants and the rate of a reaction.

The order of a rate law is the sum of the exponents of the concentration of the reactants.The rate law of a reaction is used to understand the composition of the reaction mixture. Specifically, the reaction order is the exponent to which the concentration of that reactants are raised, and it indicates that how well the concentration of a reactants affects the rate of a reaction.There are number of methods used to determine the reaction order. Reaction orders not always equal to the coefficients in a balanced chemical equation , it only determined the number of molecules per mole present in a given reaction.

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When the sun runs out of hydrogen in its core, it will become larger and more luminous because:.

Answers

Answer:

Faster hydrogen burning means the star will grow larger and more luminous to allow the extra energy created to escape

it starts fusing hydrogen in a shell around a helium core.

can y'all please help me with this ​

Answers

Answer:

C=8,H=8 and O =3

Explanation:

As the formula is given.

4.0 mol Na2S reacts with 5.0 mol
CuSO4 according to the equation below:
Na₂S + CuSO4 → Na₂SO4 + CuS

How many moles of Na2SO4 form from 5.0 moles of CuSO4?

[?] mol Na₂SO4
Round your answer to the tenths place.

Answers

The number of moles of [tex]Na_2SO_4[/tex] form from 5.0 moles [tex]Na_2S[/tex] is 5 moles.

What is a limiting reactant?

Limiting reactants are those reactants that are completely used up in a chemical reaction.

4.0 mol [tex]Na_2S[/tex] will be completely used since the combining ratio is 1 : 1 : 1.

[tex]Na_2S + CuSO_4[/tex] ->[tex]Na_2SO_4 + CuS[/tex]

From the chemical equation above, 5.0 moles [tex]Na_2S[/tex] will yield 5 moles of [tex]Na_2SO_4[/tex].

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The empirical formula for a compound shows the symbols of the elements with subscripts indicating the
Select one:
A) actual numbers of atoms in a molecule.
B)numbers of moles of the compound in 100 grams.
C)smallest whole-number ratio of atoms.
D) atomic masses of each element

Answers

Answer:

smallest whole number ratios of atoms

Specific heat capacity is measured in _____.

Answers

Answer: Specific heat capacity is measured in J/g℃.

Explanation:

The specific heat capacity is the amount of heat required to raise the temperature of one gram of a substance by one degree Celsius.

Another thing you should know about specific heat capacity is its formula. The formula of specific heat capacity is: C= [tex]\frac{q}{m}[/tex]×ΔT

In the formula, q is the heat gained or lost by the system (measured in joules), m is the mass of the sample in grams, and △T is the temperature's change in ℃.

I hope this helps! Pls mark brainliest!! :)

Which conclusion is consistent with the following net ionic equation? co2+(aq) + s2-(aq) cos(s)

Answers

The conclusion that is consistent with the ionic equation would be that COS (s) is a precipitate.

What is a precipitation reaction?

It is a reaction in which 2 soluble salts in aqueous forms react to produce an insoluble salt as one of the reaction's products.

Precipitate products are usually insoluble and can be filtered off using suitable filter paper. In other words, they are solids that are suspended in solution.

Following the ionic reaction, the two reacting ions are in aqueous forms while the product formed is solid.

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The pressure of a gas sample was measured to be 654 mmhg. What is the pressure in kpa? (1 atm = 1. 01325 × 10 5 pa)

Answers

Taking into account the change of units, the pressure of the gas sample is 87.19 kPa.

What is rule of three

In first place, the rule of three is a way of solving problems of proportionality between three known values and an unknown value, establishing a relationship of proportionality between all of them.

That is, what is intended with it is to find the fourth term of a proportion knowing the other three.  

If the relationship between the magnitudes is direct, that is, when one magnitude increases, so does the other (or when one magnitude decreases, so does the other) , the direct rule of three must be applied.

To solve a direct rule of three, the following formula must be followed, being a, b and c known data and x the variable to be calculated:

a ⇒ b

c ⇒ x

So: [tex]c=\frac{cxb}{a}[/tex]

Pressure

The direct rule of three is the rule applied in this case where there is a change of units.

To perform in this case the conversion of units, you must first know that:

1 atm= 760 mmHg1 atm = 1. 01325×10⁵ Pa= 101325 Pa1 kPa= 1000 Pa

So, if 1 atm is 760 mmHg, how many atm equals 654 mmHg?

760 mmHg ⇒ 1 atm

654 mmHg ⇒ x

So: [tex]x=\frac{654 mmHgx1 atm}{760 mmHg}[/tex]

Solving:

x=0.86 atm

Now, if 101325 Pa are 1 atm, how many Pa equals 0.86 atm?

1 atm ⇒ 101325 Pa

0.86 atm ⇒ x

So: [tex]x=\frac{0.86 atmx101325 Pa}{1 atm}[/tex]

Solving:

x= 87,192.83 Pa

Finally, if 1 kPa is 1000 Pa, how many kPa equals 87,192.83 Pa?

1000 Pa ⇒ 1 kPa

87,192.83 Pa ⇒ x

So: [tex]x=\frac{87,192.83 Pax1 kPa}{1000 Pa}[/tex]

Solving:

x=87.19283 kPa≅ 87.19 kPa

In summary, the pressure of the gas sample is 87.19 kPa.

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Sample H is a mineral found in this sand! This mineral is black and will stick to you when you walk through the sand at the beach. Zoom in really close - sand is very cool to look at when it is magnified. We will look at more later in the class. The sand grains that you should focus on are black. Not all of the black grains are the same mineral however the mineral you're looking for is strongly magnetic. If you ran a magnet just over the top of this sample, some of black sand grains would stick. What mineral is it?

Answers

The mineral that's illustrated based on the information given will be magnetite.

What is a mineral?

A mineral simply means any pure substance that has a unique composition and structure.

Since the mineral is black and will stick to you when you walk through the sand at the beach, it's magnetite.

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Considering the activity series given below for metals and nonmetals, which reaction will occur? Al > Mn > Zn > Cr > Fe > Cd > Co > Ni > Sn > Pb > H > Sb > Bi > Cu > Ag > Pd >Hg > Pt F > Cl > Br > I

(a) 2NaBr + I2 --> 2NaI + Br2
(b) 2Fe + Al2O3 --> 2Al + Fe2O3
(c) 2AgNO3 + Ni --> Ni(NO3)2 + 2Ag
(d) Pb + Zn(C2H3O2)2 --> Zn + Pb(C2H3O2)2

Answers

(c) 2AgNO3 + Ni --> Ni(NO3)2 + 2Ag

The answer is c ( 2AgNO3 + Ni(NO3)2 +2Ag

Which word equation shows Hydrogen reacting with oxygen to form water

Answers

Answer:

H + 02 = H2O

Explanation:

The table compares the number of electrons in two unknown neutral atoms.
Comparison of Electrons
Atom Number of Electrons
A9
D11
Use this information to determine the number of valence electrons in the atoms. Which of the following correctly compares the stability of the two atoms?
O Both are unreactive.
O Both are highly reactive.
OA is unreactive and D is reactive.
OA is reactive and D is unreactive.

Answers

Answer: Both are highly reactive.

Explanation:

A is fluorine, which only needs to gain one more electron to have a full valence shell. Thus, it is reactive.

D is sodium, which only needs to lose one electron to have a full valence shell. Thus, it is also reactive.

A chemical change Group of answer choices occurs when powdered lemonade is stirred into water. occurs when methane gas is burned. occurs when water is vaporized. occurs when salt is dissolved in water. occurs when paper is shredded.

Answers

A Chemical change occurs when methane gas is burned.

What is Chemical change ?

A chemical change is a change of materials into another, new materials with different properties and one or more than one new substances are formed.

A chemical change occurs when matter undergoes a change to form a new substance with different chemical properties, and the reaction is usually not reversible.

In this case,burning of methane gas (CH₄) considered as chemical change.

Oxygen and methane are the reactants, while the new substance formed from the reaction are carbondioxide (CO₂) and water (H₂O) as ;

CH₄ + O₂  --->  CO₂ + H₂O

Hence, Chemical change occurs when methane gas is burned.

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1
2
3
4
5
6 7 8 9 10
If the density and volume of an object is known, what can also be found?
the mass of the object
O the shape of the object
the size of the object
the thickness of the object

Answers

Answer: the mass of the object

Explanation: To find density, the equation d= m/v is needed where m= mass and v= volume

Ethanoic acid reacts with ethanol to form an ester and water. How many moles of ethanoic acid are required to produce 0.5 mol of the ester? (A) 0.05 (B) 0.5 (C) 1 (D) 2​

Answers

0.5 moles of ethanoic acid are required to produce 0.5 mol of the ester , Option B is the right answer.

What is esterification reaction ?

The reaction in which a carboxylic acid combine with an alcohol to form ester and water is called esterification reaction.

It is given in the question that

Ethanoic acid reacts with ethanol to form an ester and water

C₂H₅OH  +  CH₃​COOH  →   CH₃COOH  +  H₂O

The moles of ethanoic acid required to produce 0.5 mole of ester.

In the following reaction it can be seen that the mole fraction of ethanoic acid to ester is 1: 1

Therefore 0.5 mole of ethanoic acid will be required to produce 0.5 mol of ester.

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1.How many sodium ions are there in 78.6 g of sodium phosphate?

Answers

Answer:

two

Explanation:

3.the three major types of radioactive decay of an unstable nucleus are alpha particles, beta particles, and gamma rays.

explain how alpha decay works and how it causes a transmutation. be sure to note all changes to the nucleus in your explanation.


write the equation for the alpha decay of uranium-234.


explain how beta decay works and how it causes a transmutation. be sure to include all changes to the nucleus in your explanation.


write the equation for the beta decay of iodine-131.

Answers

a) Alpha decay occurs when an unstable nuclide emits an alpha particle, (which is just a helium-4 atom), which contains 2 protons and 4 neutrons. This means that transmutation has occurred (since a nuclide of a different element will be produced), and this newly produced nuclide will have 2 fewer protons and 4 fewer neutrons than the original nuclide.

b) [tex]^{234}_{92} \text{U} \longrightarrow ^{4}_{2} \text{He}+^{230}_{90} \text{Th}[/tex]

c) Alpha decay occurs when an unstable nuclide emits a beta particle, (also known as an electron). This causes transmutation (since a nuclide of a different element will be produced), and this newly produced nuclide will have 1 more proton than the original nuclide.

d) [tex]^{131}_{53} \text{I} \longrightarrow ^{0}_{-1} \beta+^{131}_{54} \text{Xe}[/tex]

PLS HELP ME ASAP ILL GIVE BRAINLIEST
Which statement best describes how a Geiger counter works?

Select one:
a. Water vapor condenses along a path traveled by ionizing radiation.
b. Particles ionized by radiation cause black streaks to appear on sensitive photographic paper.
c. Radioactive particles ionize argon gas in a tube and the resulting electric current is amplified and heard as a clicking sound.
d. A material sensitive to radioactive emissions glows when mixed with a radioactive substance.

Answers

C radioactive particles

Answer:

the answer is c

Explanation:

c. Radioactive particles ionize argon gas in a tube and the resulting electric current is amplified and heard as a clicking sound.

Which of the following processes does not facilitate containment?
OA. Enrichment of uranium-235 is done.
B. Steel-reinforced concrete several feet thick surrounds the plant.
C. Workers wear protective clothing.
D. The water used to cool the fuel rods is enclosed.
SUBMIT

Answers

Enrichment of uranium-235 is done. Hence, option A is correct.

What is the meaning of containment?

The act, process, or means of keeping something within limits the containment of health costs.

Enrichment is a process of increasing the proportion of fissile isotope found in uranium ore (represented by the symbol 'U') to make it usable as nuclear fuel or the compressed, explosive core of nuclear weapons.

Hence, option A is correct.

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Ripening is a _______________ and spoiling is a ______________.
A. Chemical reaction, chemical reaction.
B. Physical reaction, chemical reaction.
C. Physical reaction, physical reaction.
D. Chemical reaction, physical reaction.

Answers

Answer:

A

Explanation:

The answer to this question is A. Both ripening and spoiling are chemical reactions.

Spoiling is a chemical reaction because spoiled food has bad smell and taste and it changes colour too.

Ripening of fruits is a chemical change. For example the colour could change as well as the texture.

Answer:

option a) chemical reaction, chemical reaction.

Explanation:

Changes in which new substances with different properties are formed are called chemical changes. Cooking of food, burning of substances are chemical changes as entirely new substances are formed. Burning of a candle wax releases carbon dioxide and water vapour (new substances). in here ripening and spoiling is a change that cannot be reversed which makes it a chemical change.

How many hydrogen bonds will be found within an alpha helix that is 18 amino acids long?.

Answers

An alpha helix which is 18 amino acids long will have 12 hydrogen bonds.

What is alpha helix (α-helix) ?

The alpha helix (α-helix) is a common in the secondary structure of proteins and is a right hand-helix conformation in which every backbone N−H group hydrogen bonds to the backbone C=O. group of the amino acid located four residues earlier along the protein sequence.

The alpha helix is stabilized by hydrogen bonds (shown as dashed lines) from the carbonyl oxygen of one amino acid to the amino group of a second amino acid.

Because the amino acids connected by each hydrogen bond are four apart in the primary sequence, these main chain hydrogen bonds are called "n to n+4.

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An atom is neutral because it has the same number of electrons as it has???????????????????????????????????????????????????????????

Answers

Answer:

protons

Explanation:

the protons and electrons of an element are the same amount however the neutrons are a different amount

Answer is protrons
Equal number of electrons and protrons makes it neutral

7.0 mol Mn reacts with 5.0 mol
O2 according to the equation below:
2Mn+0₂ → 2MnO

How many moles of MnO form from7.0 mol Mn?

[?] mol MnO

Round your answer to the tenths place.

Answers

Answer:

= 7 moles Mno

Explanation:

We have been asked to determine the number of moles required to form MnO.

Mole ratio

Mn : MnO = 1 : 1

The reaction ratio therefore is 1 : 1

Thus 7 moles of Mn react to form 7 moles MnO since we have similar ratio.

Answer:

The answer that I got was 7.0.

Explanation:

It said round to the tenths place so put the .0 after the seven and see if that helps.

45.8 grams of copper requires 1172 J of heat to reach a final temperature of 100.5 ℃. What was the initial temperature? Specific heat of copper is 0.385 J/g℃. (7.02)
A. 66.5[?][?][?]
B. 122[?][?][?]
C. 34.0[?][?][?]
D. 75.2[?][?][?]

I also have no idea what the [?][?][?] is. Can someone please help me for 25 points? :'(

Answers

Answer: Option A, 66.5

Explanation:

So you want to use the heat capacity formula

So, q(heat)=m(mass) * cp (specific heat) * DeltaT (change in temp)

so m=45.8, cp =0.385, q=1172

you dont have the final temp for DeltaT so you have to fill in and divide

1172 = (45.8) * (0.385) * Delta T

1172 = 17.633 * DeltaT (Now divide)

1172/17.633 = Delta T

66.46 = Delta T, rounded you get 66.5 or option A

A car's tires are inflated to 2.11 atm at 25c. after driving to the grocery store, the tires are at 2.25 atm. what is the temperature of the air in the tire after the drive?

Answers

Answer:

T₂ = 26.7 °C

Explanation:

Because you are dealing with pressure and temperature, you can use Gay-Lussac's Law to find the final answer. The equation looks like this:

P₁ / T₁ = P₂ / T₂

In this form, "P₁" and "T₁" represent the initial pressure and temperature. "P₂" and "T₂" represent the final pressure and temperature. You have been given the values for all of the variables but "T₂". Therefore, by plugging these values into the equation, you can simplify to find "T₂".

P₁ = 2.11 atm                   T₁ = 25 °C

P₂ = 2.25 atm                 T₂ = ?

P₁ / T₁ = P₂ / T₂                                            <--- Gay-Lussac's Law equation
(2.11 atm) / (25 °C) = (2.25 atm) / T₂           <--- Plug variables into equation

0.0844 = (2.25 atm) / T₂                            <--- Divide 2.11 by 25

(0.0844) x T₂ = 2.25 atm                           <--- Multiply both sides by T₂

T₂ = 26.7                                                    <--- Divide both sides by 0.0844

Enzymes use several types of catalytic mechanisms. Differentiate between acid-base catalysis, covalent catalysis, and metal ion catalysis.

Answers

In catalysis and base catalysis, a chemical reaction is catalysed by an acid or a base.

Covalent catalysis involves the formation of a covalent bond.

Metal ions contribute to the catalytic process through their ability to attract or donate electrons.

What are enzymes?

An enzyme is a biological catalyst and is almost always a protein. It speeds up the rate of a specific chemical reaction in the cell.

In catalysis and base catalysis, a chemical reaction is catalysed by an acid or a base. by Bronsted - Lowry acid-base theory, the acid is the proton ( hydrogen ion, H+) donor and a base is the proton accentor typical reaction catalyzed by proton transfer are esterifications and aldol reactions .

Covalent catalysis involves the formation of a covalent bond between the enzyme and at least one of the substrates involved in the reaction. Often times this involves nucleophilic catalysis which is a subclass of covalent catalysis.

Metal ions are essential for the catalytic action of some enzymes. Metal ions contribute to the catalytic process through their ability to attract or donate electrons. Some metals bind the substrate by coordination links. Others contribute to maintaining the tertiary and quaternary structures of the enzyme molecule.

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Two persons are not equally strong. One is weaker than another. They are going to carry a wooden coat poole Suggest them the w a way to cargy. a wooden pole. In such a way stronger person needs to apple-apply more effort and the weakes person need to apply less force. Explain with scientific reason.​

Answers

Answer:

The two men can arrange a position such as the center of gravity must be nearer the stronger man and the weaker man must be away from the center of gravity of the wooden pole.

In plain language, the stronger man must be near the center while the weaker man must be away from the center of the wooden pole.

Explanation:

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from nepal

my teacher wrote this answer thats why I wrote the answer

In 2007, the population of Canada was 1.26 × 108, the population of Mexico was 10.6 × 107, the population of Brazil was 13.6 × 107, and the population of China was 1.86 × 109. Which two countries have the highest population?

A. Canada and China
B. Mexico and China
C. China and Brazil
D. Brazil and Mexico

Answers

A do full go do by Gn no inns shoveling foreclosure
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