How many milliliters of 0.188 M HClO₄ solution are needed to neutralize 50.00 mL of 0.0832 M NaOH? A)0.782 B)8.85 × 10^-3 C)113 D)0.0452 E)22.1

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Quizplus · Accepted Answer

To neutralize the NaOH, the moles of HClO4 must equal the moles of NaOH. Calculate moles of NaOH: 0.0832 M * 0.050 L = 0.00416 moles. Then, calculate the volume of HClO4 needed: 0.00416 moles / 0.188 M = 0.0221 L, which is 22.1 mL.

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