Calculate the number of moles of hydrogen contained in `18` litres of a gas at `27^(@)C` and `0.92` bar pressure. If the mass of hydrogen is found to be `1.350g`. Calculate the molecular mass of hydogen.

Calculate the number of moles of hydrogen contained in 18 liters of a gas at 27^(@)C and 0.92 bar pressure. If the mass of hydrogen is found to be 1.350g . Calculate the molecular mass of hydrogen.

Calculate the number of moles in 10 g of hydrogen.

Calculate the number of moles of 16 gm of Hydrogen gas.

Calculate number of moles of hydrogen in 0.448 litre of hydrogen gas at (STP)

Calculate the number of moles of hydrogen gas at a pressure of 760 mm Hg and 27^(@)C

Calculate the number of moles of hydrogen present in 10 dm^(3) of the gas at 25^(@)C and 1.5 atm pressure.

The mass of 525 ml of a gaseous compound at 28^(@)C and 0.970 bar pressure was found to be 0.900 g. Calculate the molar mass of the compound.

Calculate the number of moles of hydrogen contained in 18 litres of the gas at 27^(@)C and 70 cm pressure. Given that R=0.0821 litre atm K^(-1) . Further, if the mass of hydrogen taken as above is found to be 1.350 g, calculate the molecular mass of hydrogen.

The mass of 94.5 mL of a gas at S.T.P. is found to be 0.2231 g. Calculate its molecular mass.