Two solutions,250.0 mL of 1.00 M CaCl2(aq) and 250.0 mL of 1.00 M K2SO4(aq) ,are added to a calorimeter with a total heat capacity,after the solutions are added,of 1.25 kJ/ °C and the temperature decreased by 2.40 °C.Determine qrxn per mole of CaSO4(s) formed in the reaction.
A) +12.0 kJ/mol
B) -12.0 kJ/mol
C) +6.00 kJ/mol
D) -6.00 kJ/mol
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