A 250 ML Sample of 0

question 26

Multiple Choice

A 25.0 mL sample of 0.723 M HClO₄ is titrated with a 0.273 M KOH solution. What is the [H⁺] (molarity) before any base is added?

• A) 0.439
• B) 1.00 × 10^{- 7}
• C) 0.723
• D) 0.273
• E) 2.81 × 10^{- 13}

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