A sample of gaseous substance weighing 0.5 g occupies a volume of 1.12 litres under N.T.P. conditions. Calculate the molar mass of the substance.

What is molar volume of an ideal gas under N.T.P. conditions ?

What is molar volume of an ideal gas under N.T.P. conditions ?

10 litres of a gas at S.T.P. weigh 19.64 g. Calculate the molecular mass of the gas.

A substance weighing 5.74 g occupies a volume of 1.2cm^3. Caluclate its density with due regard to significant digits.

What is the molar mass of a gas or vapours under N.T.P. conditions?

1.49g of ammonia at STP occupies a volume of 2.48 dm^3 calculate the molar mass of ammonia.

A solution containing 12.5g of a non electrolyte substance in 175g of water gave a boiling point elevation of 0.70 K. Calculate the molar mass of the substance. (Elevation constant for water, K_(b) = 0.52 K kg "mol"^(-1) )

A solution containing 12.5 g of non - electrolyte substance in 175 g of water gave boiling point elevation of 0.70 K. Calculate the molar mass of the substance. Elevation constant (K_(b)) for water "0.52 K kg mol"^(-1) ?