0 of 12 During an experiment, a student adds 1.23 g CaO to 200.0 mL of 0.500 M HCI. The student observes a temperature

Question

0 of 12 >
During an experiment, a student adds 1.23 g CaO to 200.0 mL of 0.500 M HCI. The student observes a temperature increase of
5.10 °C.
Assuming that the solution's final volume is 200.0 mL, the density is 1.00 g/mL, and the heat capacity is 4.184 J/g °C, calculate
the heat of the reaction, AHrxn-
CaO(s)+2H*(aq) — Ca2+(aq) + H,O(0)
AHrxn
kJ/mol

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0 of 12 > During an experiment, a student adds 1.23 g CaO to