Question

2h2 + o2à 2h2o how many moles of oxygen will react completely with four grams of hydrogen?

Answer 1

1 mol

Step-by-step explanation:

2H2 + O2 ---> 2H2O

4g H2 (1 mol H2/ 2g H2)(1 mol O2/ 2 mol H2)= 1mol O2