The toxic gas hydrogen fluoride, HF, is produced from the double displacement reaction of calcium fluoride, CaFâ, and concentrated sulfuric acid, HâSOâ. Starting with 10.0g of CaFâ and 15.0g HâSOâ, the balanced chemical equation is CaFâ + HâSOâ â 2 HF + CaSOâ. Which is the limiting reactant?
