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Q.1

A 1.0 mol/L solution of nitrous acid solution contains a hydronium ion concentration of 0.024 mol/L.

The hydroxide ion concentration, expressed in scientific notation, is a.b x 10-cd mol/L. The values of a, b, c, and d are  


Q.2

A 0.0075 mol/L solution of lithium hydroxide solution contains a hydronium ion concentration, expressed in scientific notation, of a.b x 10-cd mol/L. The values of a, b, c, and d are


Q.3

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)


When the above acids are listed from strongest acid to weakest acid the order would be?


Q.4

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)


When the above acids are listed from highest electrical conductivity to lowest electrical conductivity the order would be?


Q.5

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)


When the above acids are listed from highest pH to lowest the order would be?


Q.6

A dilute solution of perchloric acid is considered a 

Choose...


a) weak Acid

b) 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:


a) decreased

b) remained the same

c) increased


Q.8 The pH of a 0.20 mol/L hydrofluoric acid solution is 1.95. The percent reaction for the ionization of hydrofluoric acid is calculated to be Answer %. 


Q.9 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)


When the above bases are listed from strongest base to weakest base the order would be?


Q.10

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)

When the above bases are listed from highest pH to lowest the order would be


Q.11

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)

When the above solutions are listed from highest pH to lowest the order would be


Q.12

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

Select one:

concentration in solution

degree of ionization

the number of hydrogen atoms in the compound

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

The hydronium ion concentration in this sample of propanoic acid expressed in scientific notation is a.b x 10-c mol/L. The values of a, b, and c are


Q.14

The pOH of the sample of propanoic acid is calculated to be


Q.15

The pH of a 0.085 mol/L sample of NaOH(aq) is


Q.16

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

The hydroxide ion concentration in this sample of ammonia acid expressed in scientific notation, is a.b x 10-c mol/L. . The values of a, b, and c are


Q.17 Use the following information to answer the next question.

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


The above solutions all have the same molarity. When they are listed from highest [OH-] to lowest [OH-] the order would be? 


Q.18

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.

The concentration of this 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.19

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

Top Answer

1. The value of a = 4, b = 2, c = 1, and d = 3. 2. The value of a = 1, b = 3, c = 1, and d = 2. 3. H C l > H F... View the full answer

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