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Bellwork 3 Week 2 4th Nine Weeks

Authored by E Wheeler

Chemistry

9th - 12th Grade

Used 2+ times

Bellwork 3 Week 2 4th Nine Weeks
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12 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

For a solution, pH + pOH =

7

14

1.0 x 10-14

-log (1.0 x 10 -14)

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If the pH of a solution is 4.0, what is the pOH?

4.0

10.0

1.0 x 10 -4

cannot be determined from the information

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The pH of a solution is 8.43. What is the [H3O+]concentration?

3.7 x 10 -9

1.0 x 10-8.43

2.7 x 10-6

1.0 x 10-14

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If the [H3O+] of a solution is 1 x 10-3 M, the pH is

11

-3

3

1

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A solution has a pH of 6.9. This solution is _____.

an acid

a base

neutral

6.

MATCH QUESTION

1 min • 1 pt

Antacid tablets + Stomach acid --> Magnesium salt + water

Mg(OH)2 + 2HCl --> MgCl2 + H2O

Match the compound with its pH:

pH 7.5

H2O

pH 7

MgCl2

pH 1 - 2

Mg(OH)2

pH 10

2HCl

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

The [H+] is orange juice is
0.00020 M.  FInd the pH of orange juice.

1
3.7
10.3
13

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