Question

Q4,

What is the relative molecular mass of air, I need this to determine how fast it diffuses so that I answer this question

Answer 1

28.96 g/mol.

Step-by-step explanation:

Air is mostly Nitrogen and Oxygen ( in the ratio 4:1) so from the Molecular masses of these 2 gases we get a RMM of 28.96 g/mol.

Answer 2

Answer: the answer is option B. Q, R, P

Explanation: the lightest gas (hydrogen) will diffuse first, then followed by carbon dioxide and then followed by air. Air is a mixture of gases. So air is heavier than hydrogen and carbon dioxide.