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Q.

Calculate the integral heat of solution (magnitude only) of 1 mole of NaOH(S) in 100 mole of water using the following dataStandard heat of formation of solid NaOH = -426 kJStandard heat of formation of NaOH in 100 mole H2O = -469 kJ

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answer is 43.

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Detailed Solution

NaOH(S) + 100 H2O(l) →NaOH (100H2O)∆H°= -469-(-426) = -43 kJ
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