Calcium carbide (CaC2) reacts with water to produce acetylene as follows. The complete reaction of 25.2g CaC2 produces ____ grams of calcium hydroxide.

Question

CaC2(s) + 2H¬2O(g) → Ca(OH¬)2(s) + C2H2

Answer 1

for each mole of calcum carbide, you get one mole of calcium hydroxide.
how many moles of CaC2 do you have?
25/69.0
how many grams of Ca(OH)2?
the above moles x 74.1