In Haber process 30 litres of dihydrogen and 30 litres of dinitrogen were taken for reaction which yielded only 50% of the expected product. What will be the composition of gaseous mixture under the aforesaid condition in the end ?

N21  vol.10  litre    +    3H23  vol.30  litre     →    2NH32 vol.20  litreIt is given that only 50% of the expected product is formed hence only 10litres of NH3 is formedN2  used  = 5  litres, left  =30−5=25  litresH2  used  = 15  litres, left  =30−15=15  litres