According to the balanced chemical equation below, how many grams of H2O would be produced if 8.8 grams of O2 reacted with excess C8H18?

2 C8H18 + 25 O2 --> 16 CO2 + 18 H2O

According to the balanced chemical equation below, how many grams of CO2 would be produced from 32.14 grams of C8H18 and excess O2?

2 C8H18 + 25 O2 --> 16 CO2 + 18 H2O

How many moles of Al2(SO4)3 would have been produced if 9.61 moles of KBr were produced according to the balanced chemical reaction below.

2AlBr3 + 3K2SO4 --> 6KBr + Al2(SO4)3