How many moles of carbon dioxide could be produced from 220 g of C2H2 and 545 g of O2?

Answer 1

Nc2h2=mc2h2/fwc2h2
=220/26
=8.4615

Nco2 =8.4615x1molco2/1molc2h2
=8.4615molco2

Balance equation:
C2h2 + 2o2 ----> co2+ h20