CHECC481 Analytical Chemistry

CHECC481 Analytical Chemistry

University

35 Qs

quiz-placeholder

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CHECC481 Analytical Chemistry

CHECC481 Analytical Chemistry

Assessment

Quiz

Science

University

Medium

Created by

1476 Kirsten Gail Miaga

Used 1+ times

FREE Resource

35 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

The pH of 10-4 gmol hydrogen ion per liter of a solution is

7

8

5

4

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

The hydrogen ion concentration of a solution is a thousand times greater than the hydroxide ion concentration. Find the pH of the solution.

8.5

7.5

5.5

6.5

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

A certain aqueous solution at 25ºC has [OH-] = 6.2 E -5 M. Calculate the pH of the solution.

4.21

5.80

8.20

9.79

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

A 0.01 M weak acid (contains one replaceable hydrogen) is 4.17% ionized. What is the ionization constant?

1.8E-5

1.2E-4

3.6E-5

1.2E-5

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What is the concentration of an HCN solution which is 0.02% ionized? Ka = 4E-10.

0.001 M

0.01 M

0.1 M

1 M

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What is the pH of a 0.10 M solution of nitrous acid (HNO2)? Ka = 7.2E-4

1.43

4.24

2.09

2.85

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What is the pH of 7.0E- 8 M acetic acid?

6.85

4.76

8.90

5.76

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