Answer to Question #96343 in General Chemistry for Angel

Question

An imaginary ideal gas has a density of 1.812 g/L at STP. What is the molar mas of this gas?

Answer 1

At S.T.P. ,

Mass of 22.4 litre of gas equals to its molar mass

So,

$$Molar\ mass=22.4×1.812\\=40.5888\ g\ mol^{-1}$$