During an investigation, calcium carbide, CaC2(s), reacted with excess water to make calcium hydroxide, Ca(OH)2(aq), and acetylene, C2H2(g). CaC2(s) + 2H2O(l) → Ca(OH)2(aq) + C2H2(g) The data table for this investigation is given below. Data Table Mass of Calcium Carbide That Reacted 2.38 g Mass of Acetylene That Was Produced 0.77 g What was the theoretical yield and percentage yield of acetylene?