The combustion of 90.0 g of oxalic acid,C2H2O4(s) in a bomb calorimeter whose heat capacity is 4.60 kJ/ °C causes the temperature to rise from 25.0 °C to 79.6 °C.What is the heat of combustion of oxalic acid?
A) -21.2 kJ/mol
B) -54.6 kJ/mol
C) -126 kJ/mol
D) -211 kJ/mol
E) -251 kJ/mol
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