Given the data in the table below, ∆H°rxn for the reaction
Ca(OH)2+2H3AsO4->Ca(H2AsO4)2+2H2O
Is ______kj.
Substance ∆H°(kj/mol)
Ca(OH)2=-986.6
2H3AsO4=-900.4
Ca(H2AsO4)2=-2346.0
2H2O=-285.9
Is the answer:
a) -744.9
b) -4519
c) -4219
d) -130.4
e) -76.4
