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Potassium nitrate has a lattice energy of -163.8 kcal/mol and a heat of hydration of -155.5...

Potassium nitrate has a lattice energy of -163.8 kcal/mol and a heat of hydration of -155.5 kcal/mol

1.How much potassium nitrate has to dissolve in water to absorb 107 kJ of heat? There are 4.184 kJ/kcal. Also note the answer is to be reported in kg.

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