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?

100 mL of any gas weighs 0.144g at STP. What is the vapour density of the gas?

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

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

At 720 mm pressure and at 27^@ C , 200 mL of gas weight 1.653g . Calculate its molecular weight using general gas equation.

The volume of HCI gas weighing 73 g at STP is

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.

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