If 300 ml of a gas weigh 0.368 g at STP, what is its molecular weight ?

A certain gas occupies 0.418 litres at 27^@C and 740 mm Hg. If the same gas weighs 3.00 g, what is its molecular weight?

5 L of gas at STP weight 6.25 g . What is the gram molecular weight ?

The density of a gas at STP is 1.5 g/L. Its molecular weight is

1L of a gas at STP weighs 1.97g. What is molecular mass?

A dry gas measuring 280 ml at 305 K and 750 mm of Hg, weighs 0.344 g. Calculate the molecular weight of the gas.

22.4 litres of a gas weighs 70 g at STP. Calculate the weight of the gas if it occupies a volume of 20 litres at 27^@C and 700 mm Hg of pressure.

Explain why the molecular weight of KCl determined by the depression in the freezing point method does not agree with its correct theoretical molecular weight. What do you expect is its molecular weight as determined by the experiment ?

240 mL of a dry gas measured at 27°C and 750 mm pressure weighed 0.64 g. What is the molecular mass of the gas ?

9.00 litres of a gas at 16 atm and 27°C weigh 93.6 g. What is the molecular mass of the gas ?

Albumins are the most abundant proteins in blood. At 25^(@)C , 3.5 g of albumin in 100 ml of water produces and osmotic pressure is 0.014 atm. What is the molecular weight of albumin?