Weight of empty glass vessel =40gm Weight of glass vessel filled with liquid =135gm ∴ Weight of liquid =135−40=95gm Given density of liquid =0.95gmml−1 ∴ Volume of liquid =
95
0.95
=100ml Weight of glass filled with ideal gas =40.5gm ∴ Weight of gas =40.5−40=0.5g Let the Molar mass =M ∴ Moles of gas =