How many mL of 0.360 M HNO₃ are needed to neutralize a 22.5 mL sample of 0.240 M KOH? A)5.40 mL B)15.0 mL C)22.5 mL D)33.8 mL E)62.5 mL

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Quizplus · Accepted Answer

The reaction between HNO3 and KOH is a 1:1 molar reaction. To find the volume of HNO3 needed, use the equation M1V1 = M2V2, where M1 and V1 are the molarity and volume of HNO3, and M2 and V2 are the molarity and volume of KOH. Plugging in the values: (0.360 M)(V1) = (0.240 M)(22.5 mL), solving for V1 gives V1 = 15.0 mL.

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