Question

Two moles each of O2 and H2 are in two separate containers, each of volume V0 and at 150°C and 1 atmosphere. The two are made to react in a third container to form water vapour until H2 is exhausted. When the temperature of the mixture in the third container was restored to 150°C, its pressure became 1 atmosphere. The volume of the third container must be

Answer 1

as the conditions are same the volume will be vo only