The volume occupies by 1.58g of a gas at s.t.p is 500cm3. What is the relative molecular mass of the gas?
(G.M.V at s.t.p = 22.40dm3)
- 28
- 32
- 44
-
71
The correct answer is: D
Explanation
500cm3 = 1.58g=22400cm = (1.58g)/(500cm3) χ 22400cm3) = 70.78 g
= 71g