Question

How many moles of O2 are required to react with 8.0 moles H2?

Answer 1

O2+ 2 H2 --> 2 H2O

x mol O2 - 8 mol H2
1 mol O2 - 2 mol H2



`x = (1 * 8)/(2) = 4 \: mol`

answer: 4 moles