Conjugate Acids and Bases and pH
Authored by Laurissa Vines-Mccormick
Chemistry
10th - 12th Grade
NGSS covered
Used 796+ times
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25 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the conjugate base in the following reaction?
HCO3-
HCl
H2CO3
Cl-
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the conjugate acid in the following equation?
PO43-
HNO3
NO3-
HPO42-
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the conjugate base of HCO3-?
HCO3-
H2CO3-
H2CO3
CO32-
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the pH of a solution that has an [H3O+] =1x10-4?
4
-4
2
3
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The pH of a solution is 2.0. What is the [OH-] concentration?
1x10-12M
12 M
1x10-2M
2 M
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The pH of a 0.001 M solution of HCl is
11
3
-3
-11
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which is most acidic?
pH = 8.5
[H3O+] = 1 x 10-13
[H3O+] = 1 x 10-2
pH = 3
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