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A sample of 27.9 grams of magnesium sulfate, MgSO 4 , dissolved in water in a calorimeter and the temperature increased from 25.0 C to
A sample of 27.9 grams of magnesium sulfate, MgSO4, dissolved in water in a calorimeter and the temperature increased from 25.0 C to 45.3 C. If the heat capacity of the solution and the calorimeter is 1623 J/C, what is the enthalpy change per mole of magnesium sulfate in KJ?
Select one:
a. 532.761
b. 142.139
c. 221.892
d. 457.906
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