The mass of 1 litre of helium under a pressure of 2 atm and at a temperature of 27°C is
A. 0.16 g
B. 0.32 g
C. 0.48 g
D. 0.64 g
Answer:B
The mass of 1 litre of helium under a pressure of 2 atm and at a temperature of 27°C is
A. 0.16 g B. 0.32 g C. 0.48 g D. 0.64 g