Using stoichiometry, solve a and b using the following balanced equation:
CaC2 + 2 H2O -> C2H2 + Ca(OH)2

a. How many grams of acetylene (C2H2) are produced by adding excess water to 5.00g CaC2?

b. How many moles of CaC2 are needed to react completely with 1.92x10^24 moles of H2O?

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