A 250 ML Sample of 0

question 8

Multiple Choice

A 25.0 mL sample of 0.723 M HClO₄ is titrated with a 0.27 M KOH solution. The H₃O⁺ concentration after the addition of 80.0 mL 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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