jabaharsarkar21731 jabaharsarkar21731 10-05-2024 Chemistry Answered answer (C)Galena when roasted reacts according to the following equation 2PbS+O₂-2 PbO + SO2 Calculate the weight of PbO formed when 478g of PbS is roasted 446g (Pb-207,O=16,S=32).pls give stepwise explanation.