JAMB - Chemistry (1990 - No. 26)
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)
(G.M.V at s.t.p = 22.40dm3)
28
32
44
71
Explication
500cm3 = 1.58g
=22400cm = (1.58g)/(500cm3) χ 22400cm3) = 70.78 g
= 71g
=22400cm = (1.58g)/(500cm3) χ 22400cm3) = 70.78 g
= 71g