Ka Kb Calculations

Ka Kb Calculations

11th - 12th Grade

7 Qs

quiz-placeholder

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Ka Kb Calculations

Ka Kb Calculations

Assessment

Quiz

Chemistry

11th - 12th Grade

Hard

NGSS
HS-PS1-1

Standards-aligned

Created by

Charles Martinez

FREE Resource

7 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Acetic Acid is a weak monoprotic acid. It's concentration is 0.20M and it's equilibrium concentration of H+ ions is 0.0019M. Calculate it's Ka value.

1.8x10 -5

1.8x10 -15

.0019

5.56x10 -10

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Uric Acid is a weak monoprotic acid. It's initial concentration is 0.110M and it's equilibrium concentration of H+ ions is 0.034M. Calculate the final concentration of Uric acid.

.011

.034

.076

1.47

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

True or False? The stronger the acid, the larger the value of the Ka.

True

False

4.

MULTIPLE SELECT QUESTION

3 mins • 1 pt

Select ALL of the strong acids.

HClO4

HNO2

HF

HI

HNO3

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

Which represents an acid with the smallest Ka value?

HX

HY

HZ

Tags

NGSS.HS-PS1-1

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

Which acid would have the smallest pH value?

HX

HY

HZ

Tags

NGSS.HS-PS1-1

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Gallic Acid is a weak monoprotic acid. It's initial concentration is 0.28 mol/L and it's equilibrium constant is 3.94 x 10-5. Calculate the solution's pH value.

3.9x10-5

4.96

2.48

0.28