If 0.300 mol of liquid H2O reacts stoichiometrically according to the balanced equation, how many grams of solid Al2S3 are required? Al2S3(s) + 6H2O(l) → 2Al(OH)3(s) + 3H2S(g) Molar Mass (g/mol) H2O 18.015 Al2S3 150.16 Density (g/mL) H2O 0.9982     Molar Volume (L) 22.4 at STP Gas Constant(L.atm.mol-1.K-1) 0.0821

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Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".