Since oxygen is the limiting factor of the reaction, 7.14 g of hydrogen is required to react with 40 litres of oxygen.
What is the limiting factor in a reaction?
The limiting factor in a reaction is that factor which the reaction depends on in order to proceed.
Once the limiting factor in a reaction is absent, the reaction will stop.
In the reaction between hydrogen and oxygen, twice the volume of hydrogen is required to react with oxygen.
In the given reaction, oxygen is the limiting factor.
Volume of oxygen = 40 litres
Volume of hydrogen required = 40 × 2 = 80 litres
Mass of 22.4 L of hydrogen = 2.0 g
Mass of 80 Litres = 80/22.4 × 2.0 g
Mass of hydrogen = 7.14 g
Therefore, 7.14 g of hydrogen is required to react with 40 litres of oxygen.
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