WAEC - Chemistry (2023 - No. 1)
The vapour density of an organic compound with the molecular formula \(C_2H_4O_2\), is
[H=1.0, C=12.0, O= 16.0]
[H=1.0, C=12.0, O= 16.0]
40
120
65
30
ব্যাখ্যা
Molar mass of \(C_2H_4O_2\),= (12 × 2) + (1 × 4) + (16 × 2)= 60 g/mol
Vapour density = RMM/2
=60/2=30
Vapour density = RMM/2
=60/2=30