The following balanced equation shows the formation of water.


2H2 + O2 Right arrow. 2H2O


How many moles of oxygen (O2) are required to completely react with 27.4 mol of H2?

Respuesta :

The number of moles of oxygen (O2) required to completely react with 27.4 mol of H2 is 13.7 moles.

How to calculate number of moles?

The number of moles of a substance can be calculated using stoichiometry as follows:

The following balanced chemical equation is given as follows:

2H2 + O2 = 2H2O

According to this question, 2 moles of hydrogen gas (H2) reacts with 1 mole of oxygen gas (O2).

This means that 27.4 moles of hydrogen gas (H2) will react with 27.4/2 = 13.7moles of oxygen gas.

Therefore, the number of moles of oxygen (O2) required to completely react with 27.4 mol of H2 is 13.7 moles.

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