Quiz Acids and Bases

Which one of these statements about strong acids is true?

All strong acids have H atoms bonded to electronegative oxygen atoms.

Strong acids are 100% ionized in water.

The conjugate base of a strong acids is itself a strong base.

Strong acids are very concentrated acids.

Strong acids produce solutions with a higher pH than weak acids.

Determine the pH of a KOH solution made by mixing 0. 251g KOH with enough water to make 1. 00 x 10² mL of solution.

1. 35

2. 35

7. 00

11. 65

12. 65

What is the pH of 10. 0 mL of 0. 0020M HCL?

0. 70

2. 70

3. 70

5. 70

10. 0

Calculate the pH of a 0. 10M HCN solution that is 0. 0070% ionized.

1. 00

0. 00070

3. 15

5. 15

7. 00

What is the pH of a 0. 0055M HA (weak acid) solution that is 8. 2% ionized?

2. 26

3. 35

4. 52

8. 21

10. 65

Calculate the pH of a 1. 6M KOH solution.

1. 60

-0. 20

0. 20

14. 20

13. 80

Calculate the pH of 6. 71 x 10¯² M NAOH solution.

12. 83

2. 17

11. 82

6. 71

1. 17

Calculate the pH of 2. 6 x 10¯² M KOH.

12. 41

15. 59

2. 06

7. 00

1. 59

What is the pH of a solution prepared by mixing 10. 0mL of a strong acid solution with pH=2 and 10. 0mL of a strong acid solution with pH=6. 00?

2. 0

2. 3

4. 0

6. 0

8. 0

When comparing acid strength of binary acids HX, as X varies within a particular group of the period table, which one of these factors dominates in affecting the acid strength?

Bond strength

Electron withdrawing effects

Percent ionic character of the H-X bond

Solubility

La Chatelier's principle

Hard water deposits (calcium carbonate) have built up around your bathroon sink. Which one of these substances would be most effective in dissolving the deposits?

Ammonia

Bleach (sodium hypochlorite)

Lye (sodium hydroxide)

Vinegar (acetic acid)

Determine the pH of a KOH solution made by mixing 0. 251g KOH with enough water to make 1. 00 x 10² mL of solution.

1. 35

2. 35

7. 00

11. 65

12. 65

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Quiz Acids and Bases

Which one of these statements about strong acids is true?

Determine the pH of a KOH solution made by mixing 0. 251g KOH with enough water to make 1. 00 x 10² mL of solution.

What is the pH of 10. 0 mL of 0. 0020M HCL?

Calculate the pH of a 0. 10M HCN solution that is 0. 0070% ionized.

What is the pH of a 0. 0055M HA (weak acid) solution that is 8. 2% ionized?

Calculate the pH of a 1. 6M KOH solution.

Calculate the pH of 6. 71 x 10¯² M NAOH solution.

Calculate the pH of 2. 6 x 10¯² M KOH.

What is the pH of a solution prepared by mixing 10. 0mL of a strong acid solution with pH=2 and 10. 0mL of a strong acid solution with pH=6. 00?

When comparing acid strength of binary acids HX, as X varies within a particular group of the period table, which one of these factors dominates in affecting the acid strength?

Hard water deposits (calcium carbonate) have built up around your bathroon sink. Which one of these substances would be most effective in dissolving the deposits?

Determine the pH of a KOH solution made by mixing 0. 251g KOH with enough water to make 1. 00 x 10² mL of solution.

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