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pH vs. H3O+

Authored by Katelyn Margulies

Chemistry

9th - 12th Grade

Used 5+ times

pH vs. H3O+
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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If the pH decreases from 10 to 8, how would you expect the H3O+ concentration to change?

H3O+ INcreases 10-fold

H3O+ DEcreases 10-fold

H3O+ INcreases 100-fold

H3O+ DEcreases 100-fold

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A stream has a pH of 4. If its concentration is diluted to 10,000th of its original concentration, what is the new pH?

0

1

7

8

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which pH change represents a hundredfold increase in the concentration of H3O+ ?

pH 5 to 7

pH 3 to 1

pH 13 to 14

pH 4 to 3

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

As the pH of a solution is changed from 3 to 6, the concentration of hydronium ions

A) increases by a factor of 3

B) increases by a factor of 1000

C) decreases by a factor of 3

D) decreases by a factor of 1000

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a solution with a concentration of 0.001M and a pH of 3 has a pH change to 5, what is the new concetration

0.01

0.001

0.0001

0.00001

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