In the reaction 2 H2 + O2m 2 H20, how
many moles of oxygen are required to fully
react with 6.0 mol of hydrogen?

Option F. 3moles

Explanation:

The equation for the reaction is given below:

2H2 + O2 —> 2H2O

from the equation,

2moles of H2 required 1mole of O2.

Therefore, 6moles of H2 will require = 6/2 = 3moles of O2

F. 3 moles of oxygen.

Explanation: The solution is as follows:

The mole ratio between H2 and O2 is 2:1 so the stoichiometric solution will be:

6 moles H2 x 1 mole O2 / 2 moles H2

= 3 moles O2

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