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3) A pellet of potassium hydroxide, KOH(s), having a mass of 0.648 g, is dissolved in 40.0 mL of water in an insulated cup. The temperature of the water increases from 22.6°C to 27.8°C. What is the molar enthalpy of solution, AH solution, for KOH(s)? Assume that the solution has a density and a specific heat capacity equal to that of water.