Which change in the h + ion concentration of an aqueous solution represents a decrease of one unit on the ph scale?

Question

Chemistry

Rohan Stewart

22 June, 20:21

Which change in the h + ion concentration of an aqueous solution represents a decrease of one unit on the ph scale?

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Answers (1)

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Eric · Answer 1

The answer would be a tenfold increase

The pH scale is calculated based on the concentration of H + ion in the solution. The formula is using log10, so to decrease 1 unit from the scale it will be 10^1 = 10 fold of increase. For 2 unit, you will need 10^2 = 100 fold of increase.