Forge coal which is having 4.5% H, 90.5% C, 3.6% O, and 1.4% S by mass. When coal is combusted, the sulfur impurities undergo gas phase reactions to produce the H2SO4 (g). If a 14 kg pile of forge coal is combusted in the air, write the maximum number of moles of H2SO4 gas that would be formed?