An aqueous solution with a pH of 2.00 is diluted from 1.0 L to 3.0 L.What is the pH of the diluted solution?

Name: An aqueous solution with a pH of 2.00 is diluted from 1.0 L to 3.0 L.What is the pH of the diluted solution?
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Question

Quizplus · Accepted Answer

pH = -log[H+]
At pH of 2.00, [H+] = 10^-2.00 = 0.01 M
After dilution, the new [H+] can be calculated using the equation for dilution:
M1V1 = M2V2
(0.01 M)(1.0 L) = M2(3.0 L)
M2 = 0.0033 M
pH = -log(0.0033) = 2.48 
Therefore, the answer is choice C.

An Aqueous Solution with a PH of 2