Question

In the equation:

2H₂ + O₂ → 2H₂O
How many moles of hydrogen react with 0.37 mol of oxygen

Answer 1

Related Concepts

• Mole ratios and stoichiometry

Solving the Question

`2H_2 + O_2\rightarrow 2H_2O`

From the balanced chemical equation, we know that 2 moles of H2 is required to react with 1 mole of O2:

⇒
`(n_(H_2))/(2)=(n_(O_2))/(1)`

We're also given that we have 0.37 moles of O2:

⇒
`(n_(H_2))/(2)=(0.37)/(1)`

Solve for moles of H2:

⇒
`n_(H_2)=(0.37)/(1)*2\\\\n_(H_2)=0.74`

Answer

0.74 moles of hydrogen react with 0.37 moles of oxygen.