A sample of `O_(2)` is collected over water at `22^(@)C` and 748 torr pessure. The volume of the gas collected is 82.0 `cm^(3)`. How many grams of oxygen are present in the gas?. The valour pressure of water at `22^(@)C` is 19.8 torr.

A mixture of H_(2) and N_(2) weighing 0.116 g is collected over water at 50^(@)C and occupies a volume of 275 mL when the total pressure is 1.0 atm. Calculate the precentage of H_(2) and N_(2) present. Calculated the vapour pressure of water at 50^(@)C is 92.5 torr.

How many moles of oxygen are present in 400 cm^3 sample of a gas at a pressure of 760 mm Hg at a temperature of 27^@C ?

In an experiment 300 ml of a gas was collected at 22^@C and 720 mm pressure. What will be the volume of the gas at NTP ?

A sample of O_(2) gas is collected over water at 23^(@)C at a barometric pressure of 751 mm Hg (vapour pressure of water at 23^(@)C is 21 mm Hg). The partical pressure of O_(2) gas in the sample collected is

A sample of O_(2) gas is collected over water at 23^(@)C at a barometric pressure of 751 mm Hg (vapour pressure of water at 23^(@)C is 21 mm Hg). The partical pressure of O_(2) gas in the sample collected is

200 cm^(3) of N_(2) gas is collected over water at 20^(@)C and 730 mm pressure. At this temperature, aqueous tension is 14.20 mm. what is the mass of N_(2) gas collected?

1.22g of a gas measured over water at 15^(@)C and under a pressure of 1.02 bar of mercury occupied 0.9 dm^(3) . Calculate the volume of the dry gas at N.T.P. Vapour pressure of water at 15^(@)C is 0.018 bar.