Density of dry air containing only `N_2 and O_2` is `1.15 g/L` at `740 mm ` of `Hg and 300 K`. What is % composition of `N_2` by mass in the air ?

Density of dry air containing ony N_2 and O_2 is 1.15 g/L at 740 mm of Hg and 300 K . What is % composition of N_2 by mass in the air ?

Density of dry air ( only N_(2) and O_(2)) is 1.24g litre^(-1) at 760 m m and 300 K . Find the partial pressure of N_(2) gas in aire. ( Take R=(1)/(12) litre litre atm // mol K, mol. Wt. of N_(2) =28)

A mixture of CO and CO_(2) is found to have a density of 1.5 g/L at 30^(@)C and 740 torr. What is the composition of the mixture.

0.45 g of an orgainc compound containing only C, H and N on combustion gave 1.1 g of CO_(2) and 0.3 g of H_(2) O . What is the percentage of C, H and N in the orgainc compound.

A mixture of NO_2 and N_2O_4 has a vapour density of 38.3 at 300K. What is the number of moles of NO_2 in 140g of the mixture?

A mixture of NO_2 and N_2O_4 has a vapour density of 38.3 at 300K. What is the number of moles of NO_2 in 90g of the mixture?

A mixture of NO_2 and N_2O_4 has a vapour density of 38.3 at 300K. What is the number of moles of NO_2 in 110g of the mixture?

A mixture of NO_2 and N_2O_4 has a vapour density of 38.3 at 300K. What is the number of moles of NO_2 in 150g of the mixture?

A mixture of NO_2 and N_2O_4 has a vapour density of 38.3 at 300K. What is the number of moles of NO_2 in 130g of the mixture?