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What is the pH of the solution in which the [H+] is 1.0 × 10–4 mol/L ?
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What is the pH of the solution in which the [H+] is 1.0 × 10–4 mol/L ?

User Supratim Roy
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pH is a simplified observation of the acidity of a solution, defined as the -log [H+] (negative logarithm of the hydrogen concentration).

-log[10^-4] = 4

The pH of this solution is 4.
User Carlosvini
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