Answer:
I believe the answer is B but if I am wrong then I am very sorry
Moles H2O = 1233 g/ 18 g/mol=68.5 68.5 x 40.7 =2788 kJ
The bad smelling element is Sulfur, which smells like rotting eggs.
C is obvious because no other choice has any closer answer
Answer:
I think it would be 9 moles.