7) Given that 4 NH3 + 5 02- 4 NO + 6 H20, if 3.00 mol NH3 were made to react with excess of oxygen gas, the amount of H20 formed would be:
A) 2.00 mol.
B) 3.00 mol.
C) 4.50 mol.
36.00 mol.
E) none of the above