How much potassium nitrate has to dissolve in water to absorb 100kJ of heat? (answer in kg)
Potassium nitrate has a lattice energy of -163.8kcal/mol and a heat of hydration of -155.5kcal/mol.

I have tried this many times with many different explanations but i cannot get the right answer so a solution and explanation would be great! Thanks!

Filed under: Water

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