A student weighed out 1.74 grams of sodium hydroxide pellets and added them to 48.0 grams of water in a calorimeter. Extrapolating back to the time of mixing yielded a temperature change at the time of mixing equal to 9.20 degrees C. Calculate the heat of solution per mole of NaOH in J. Assume that the specific heat of the sodium hydroxide solution is 3.93 J/K.g.
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