Module 8 Lesson 1 Assignment Q.1 A 1.0 mol/L solution of nitrous acid solution contains a hydronium ion concentration of 0.024 mol/L.

Module 8 Lesson 1 Assignment

Q.1

ab-cd

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Q.2

ab-cd

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Use the following information to answer the next question.

1.   0.10molL HCl(aq)
2.   1.0molL HOCl(aq)
3.  2.0x10−2molL H2SO3(aq)
4.   0.50molL HF(aq)

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Use the following information to answer the next question.

1.   0.10 mol/L HCN(aq)

2.   0.10 mol/L HCOOH(aq

3.  0.10 mol/L HNO2(aq)

4.  0.10 mol/L HBr(aq)

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Use the following information to answer the next question.

1. 1.0molL HNO3(aq)
2. 1.0molL HOCl(aq)
3. 1.0molL HF(aq)
4. 1.0molLHCN(aq)

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weak,strong acid.

Q.7

Use the following information to answer the next question.

A technician added 25 mL of sulfuric acid to 100 mL of distilled water.

After the addition of the sulfuric acid, the hydroxide ion concentration of the distilled water

Select one:

decreased

remained the same

increased

Q.8

Use the following information to answer the next question.

1.   0.10 mol/L Na2CO3(aq)
2.  1.0 mol/L Li2OOCCOO(aq)
3.   2.0×10−2mol/L NaOH(aq)
4.   0.50 mol/L K2SO4(aq)

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Use the following information to answer the next question.

1. 1.0 mol/L LiNO2(aq)
2. 1.0 mol/L KOCl(aq)
3. 1.0 mol/L NaF(aq)
4. 1.0 mol/L KOH(aq)

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Use the following information to answer the next question.

1. 1.0 mol/L HNO3(aq)
2. 1.0 mol/L K2SO3(aq)
3. 1.0 mol/L HF
4. 1.0 mol/L LiOH(aq)

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The main difference between a strong acid and a weak acid is their

Select one:

A.concentration in solution

B.degree of ionization

C.the number of hydrogen atoms in the compound

D. pH value

Q.13

Use the following information to answer the next 2 questions.

A 100 mL sample of propanoic acid has a pH of 4.28

ab-c

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_,_,_ 3 Digit answer

_,_,_,_ 4 Digit answer

Use the following information to answer the next question. Remember to carry all digits in your calculation and round off only at the very end!

A 100 mL sample of ammonia has a pH of 11.76

ab-c

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Use the following information to answer the next question.

1. LiF(aq)
2. LiHCOO(aq)
3. LiOCl(aq)
4. LiOH(aq)

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Use the following information to answer the next question.

Slake lime (Ca(OH)2) is an extremely important industrial compound that is used in sewage treatment, the paper industry, and the production of lime mortar. A 100 mL sample of water at 25°C had 0.17 g of slake lime dissolved in it.

ab-c

Use your recorded answer for #18 to answer #19

The hydroxide ion concentration in the above sample of slake lime expressed in scientific notation is a.b x 10-c mol/L. The values of a, b, and c are

Q.20

Use your recorded answer for #19 to answer #20

The pH of this sample of slake lime is