Question

1.
What mass of He could be contained in a vessel
that can holds 4.48 litre of so, at STP?
(1) 0.9 g
(2) 1.6 g
(3) 2.8 g
(4) 0.8 g​

Answer 1

Answer:

0.8 g

Explanation:

moles= 4.48/22.4 = 0.2 moles

moles = mass/molar mass

0.2×4=mass

0.8g