Question

1. Determine the unit of 'R' from dimensional analysis.
Mass of 112 mL of a certain gas is 0.22 g at STP. How many molecules are there in the
sample of gas ? What is the molar mass of the gas?​

Answer 1

Answer:

The mass in gms of 112 ml of gas at STP is

Mass of 112 mL of a certain gas is 0.22 g at STP.