Question

The vapour density of a gaseous mixture of non-reactive gases 'A' and 'B' is 40. If the molar mass of gas
"A' is 20 g/mol and the mixture contains the gases in 2: 3 volume ratio, then Calculate molar mass of gas
'B':​

Answer 1

$\rm\huge\underline{Answer}$

the branch of science concerned with the substances of which matter is composed, the investigation of their properties and reactions, and the use of such reactions to form new substances.