A 25.0 mL sample of 0.723 M HClO₄ is titrated with a KOH solution.The H₃O⁺ concentration after the addition of of KOH is ________ M. A)0.4 B)1 × 10^-7 C)0.7 D)3 × 10^-13 E)4 × 10^-2

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The Answer of A 25.0 mL sample of 0.723 M HClO₄ is titrated with a KOH solution.The H₃O⁺ concentration after the addition of of KOH is ________ M. A)0.4 B)1 × 10^-7 C)0.7 D)3 × 10^-13 E)4 × 10^-2

A 250 ML Sample of 0