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A Volume of 600

Question 171

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A volume of 600.0 mL of 0.240 M perchloric acid, HClO4(aq)was added to a high quality constant-pressure calorimeter containing 400.0 mL of 0.300 M KOH(aq). Both solutions have a density of 1.000 g mL−1 and a specific heat of 4.184 J g−1 °C−1. The calorimeter had a heat capacity of 950.0 J °C−1. The temperature of the entire system rose from 25.30 °C to 26.59 °C. Calculate the heat of reaction, in kJ, per mole of KOH(aq).Hint: Consider your reaction taking place and pay careful attention to your mole values.

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