An HCl solution has a pH of 3.10, what is the [H₃O⁺] in this solution? A) 7.9 × 10^-18 M B) 1.3 × 10^-11 M C) 7.9 × 10^-4 M D) 1.3 × 10³ M

Name: An HCl solution has a pH of 3.10, what is the [H 3 O + ] in this solution? A) 7.9 × 10 -18 M B) 1.3 × 10 -11 M C) 7.9 × 10 -4 M D) 1.3 × 10 3 M
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Quizplus · Accepted Answer

The pH of a solution is the negative logarithm (base 10) of the hydronium ion concentration. Therefore, [H₃O⁺] = 10^(-pH) = 10^(-3.10) ≈ 7.9 × 10⁻⁴ M.

An HCl Solution Has a PH of 3