Question

When 50g calcium carbide CaC2 reacts with water, what will be the volume of the product c2h2?

Answer 1

write the equation
see how many moles you use, and how many moles you get
At STP, one mole occupies 22.4L

Answer 2

CaC2 + 2HOH ==> Ca(OH)2 + C2H2