A 25.0 mL sample of 0.723 M HClO₄is titrated with a 0.273 M KOH solution. The H₃O⁺ concentration after the addition of 66.2 mL of KOH is M. A) 0.439 B) 2.81 × 10^-¹³ C) 0.273 D) 0.723 E) 1.00 × 10^-⁷

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The Answer of A 25.0 mL sample of 0.723 M HClO₄is titrated with a 0.273 M KOH solution. The H₃O⁺ concentration after the addition of 66.2 mL of KOH is M. A) 0.439 B) 2.81 × 10^-¹³ C) 0.273 D) 0.723 E) 1.00 × 10^-⁷

A 250 ML Sample of 0