A 3.00-liter flask initially contains __________ of gas A and __________ of gas B. Gas A decomposes according to the following reaction:
a) 3.00 mol, 1.50 mol
b) 1.50 mol, 3.00 mol
c) 1.00 mol, 2.50 mol
d) 2.50 mol, 1.00 mol