When 12.0 g (0.100 mol) of MgSO,(s) is dissolved in water in a constant pressure calorimeter, the temperature increases from 20.0 to 38.2°C. The heat capacity of the calorimeter and all its contents is 500. JK-1. What is the enthalpy of dissolution of magnesium sulfate (in kJ mol-1)? А 107 B 91.0 -91.0 D -107

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When 12.0 g (0.100 mol) of MgSO,(s) is dissolved in
water in a constant pressure calorimeter, the
temperature increases from 20.0 to 38.2°C. The heat
capacity of the calorimeter and all its contents is 500.
JK-!. What is the enthalpy of dissolution of
magnesium sulfate (in kJ mol-1)?
A
107
В
91.0
C
-91.0
D
-107
Transcribed Image Text:When 12.0 g (0.100 mol) of MgSO,(s) is dissolved in water in a constant pressure calorimeter, the temperature increases from 20.0 to 38.2°C. The heat capacity of the calorimeter and all its contents is 500. JK-!. What is the enthalpy of dissolution of magnesium sulfate (in kJ mol-1)? A 107 В 91.0 C -91.0 D -107
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