The same student wanted to determine the heat of dissolution for potassium chlorate (KClO3, MW: 122.55 g/mol) in water. He measured 10 grams of KClO3 and dissolved it in a calorimeter containing 250 g of water. The temperature drop was 3.5 K. A . What is qH2O in Joules? B. What is qdissolution in Joules? C. What is the ΔHdissolution in kilojoules per mole?

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