AP Chemistry Topic 3.9

AP Chemistry Topic 3.9

10th Grade - University

16 Qs

quiz-placeholder

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AP Chemistry Topic 3.9

AP Chemistry Topic 3.9

Assessment

Quiz

Chemistry

10th Grade - University

Hard

NGSS
HS-PS1-1, HS-PS1-6, HS-PS1-3

Standards-aligned

Created by

Charles Martinez

FREE Resource

16 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Which of the following is a conjugate acid/base pair?
HCl/OCl-
H2SO4/SO42-
NH4+/NH3
H3O+/OH-

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

The pH of a solution at 25C in which [OH-] = 3.9 x 10-5M is:
4.41
3.90
9.59
4.80

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Calculate the pH of a 0.47M NH3 (Kb = 1.8 x 10-5) solution.
2.54
8.93
5.07
11.46

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

A weak acid, HF, is in solution with dissolved sodium fluoride, NaF. If HCl is added, which ion will react with the extra hydrogen ions from the HCl to keep the pH from changing?
OH-
Na+
F-
Na-

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

The correct mathematical expression for finding the molar solubility (s) of Sn(OH)2 is:
2s2 = Ksp
2s3 = Ksp
4s3 = Ksp
8s3 = Ksp

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

The molar solubility of PbI2 is 1.52 x 10-3 M. Calculate the value of Ksp for PbI2.
3.51 x 10-9
1.40 x 10-8
4.62 x 10-6
1.52 x 10-3

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Calculate the [H+] in a solution that has a pH of 2.73.
5.4 x 10-12 M
1.9 x 10-3 M
2.7 M
11.3 M

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