When a 689-g sample of cacl2 dissolves in 250 g water in a, Chemistry

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When a 689-g sample of cacl2 dissolves in 250 g water in a

When a 6.89-g sample of CaCl2 dissolves in 250 g water in a coffee cup calorimeter, the temperature rises from 22.0 to 26.9 °C. Calculate the change in enthalpy for this solution-making process. Express your answer in kilojoules per mole of salt. (Assume the solution has a density of 1.00 g/mL and specific heat of 4.184 J/g°C.)

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Chemistry: When a 689-g sample of cacl2 dissolves in 250 g water in a

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