At `0^@C`, the detiny of a certain oxide of a gas at 2 bar is same as that of dinitrogen at 5 bar. What is the molecular mass of the oxide?

The vapour pressurefor purebenzene at a certain temperature is 0.850 bar. A non-volatile, nonelectrolyte solid weighing 0.5 g when added to 39.0 g of benzene (molar mass 78 g mol-1) Vapour pressure of solution, then, is 0.845 bar. What is the molar mass of the solid substance.

2.9g of a gas at 95^@C occupied the same volume as 0.184 g of dihydrogen at 17^@C, at the same pressure. What is the molar mass of the gas?

What is the oxidation state of K in KO_2 ?

The density of a gas at 27^@C and 1 bar pressure is 2.56 gL^-1 .Calculate the molar mass.

calculate the molecular mass of the following in u. C_2 H_5 OH

3.4g of a gas at 17^@C occupied sam e volume as 0.16 gram of H_2 at the same temperature and pressure Molecular mass of the gas is

What is the oxidation state of Mn in Mn4^(2-)

Destiny of a gas is found to be 5.46 g//dm^3 at 27^@C at 2 bar pressure. What will be its destiny at STP?

34.05 mL of phosphorous vapour weighs 0.0625 g at 546^@C and 0.1 bar pressure. What is the molar mass of phosphorus?

Pressure of 1kg of an ideal gas at 27^@C is found to be 2 bar . When 2 g of another ideal gas B is introduceed in the same flask at same temperature the pressure becomes 3 bar Find a realationship between their molecular masses.