Question

(1) How molecules are present in one mol a gas at STP? On heating phosphine gas (PH) it dissociales into Salid phosphorus (D and Hunger gas.100 ml PH, if healed what will be the change in Volume ?​

Answer 1

Answer:

At STP, one mole (6.02 × 10 23 representative particles) of any gas occupies a volume of 22.4 L ( Figure below ).