# What is the number of moles of #O_2# that will react with 10.0g of #H_2# to form water in the equation #2H_2 + O_2 -> 2H_2O#?

##### 1 Answer

May 29, 2017

2.48 moles of

#### Explanation:

For this problem, we should implement the process of stoichiometry. First, convert the grams of

Then multiply by your mole to mole ratio:

Cancel out common terms and perform the math to get your answer:

The answer has three sig figs because of the given 10.0g.