[srst]

What volume is occupied by 19.6 g of methane (CH4) at 27°C and 1.59 atm?
a) 1.71 L

b)

18.9 L

c) 27.7 L
d) 302 L

What is the molar mass of a pure gaseous compound having a density of 4.95 g/L at -35

oC and 1020 torr?
a) 24 g/mole
b) 11 g/mole

c)

72 g/mole