Q1 of 35 Page 149

Which of the following solutions will have pH = 2?

The formula to calculate pH is as follows:

pH = -log10[H + ]


In this question we are already provided with pH, so we have to calculate the concentration of [H + ] from the above formula.


2 = -log10[H + ]


So, the [H + ] = 10-2 from the above equation. Therefore, 0.01M HCl


will have a pH of 2.

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