An unbalanced reaction is given: Mg (s) + H2O (1) Mg(OH)2 (s) + H2(g) What mass in grams of H2 (molar mass: 2.02 g/mol) is produced by the reaction of 31.3 g of magnesium (atomic mass: 24.30 g/mol) with 2.12 g of water (molar mass: 18.01 g/mol)? O.A. 0.0593 OB 2.71 Oc. 0.237 OD. 0.474 OE 0.119 D