When One Mole of Potassium Chlorate Dissolves in a Kilogram $\degree$

question 45

Essay

When one mole of potassium chlorate dissolves in a kilogram of water to produce about a liter of solution, the temperature decreases by almost 9 $\degree$ C.Is the dissolution of KClO₃ in water exothermic or endothermic? Briefly explain your answer.

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