A sample of 10.7 g of O2 reacts completely with CO to form CO2.

Question

2 CO + O2 → 2 CO2. How many grams of CO is required.

Answer 1

This reaction requires twice the moles of CO as O2.
MolesO2=10.7/32
molesCO=2x above

gramsCO=2*10.7/32*molmassCO
and the mole mass of CO is 28