If the hydrogen ion concentration [H+] is 1 x 10^-3 M, what is the pH?

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Multiple Choice

If the hydrogen ion concentration [H+] is 1 x 10^-3 M, what is the pH?

Explanation:
pH is defined as the negative base-10 logarithm of the hydrogen ion concentration: pH = -log10([H+]). With [H+] = 1 × 10^-3 M, log10([H+]) = log10(1 × 10^-3) = -3, and taking the negative gives pH = 3. This pH value indicates an acidic solution, since lower pH values correspond to higher acidity.

pH is defined as the negative base-10 logarithm of the hydrogen ion concentration: pH = -log10([H+]). With [H+] = 1 × 10^-3 M, log10([H+]) = log10(1 × 10^-3) = -3, and taking the negative gives pH = 3. This pH value indicates an acidic solution, since lower pH values correspond to higher acidity.

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