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Average molar mass of mixtures, vapour density
NEET level
Single correct option
Difficulty 1 of 3
mc202
The vapour density of a gas is
16
. Its molar mass in
g
mo
l
−
1
is
A
32
B
16
C
8
D
64
Answer: A
Molar mass = 2 x vapour density (vapour density = M/2, relative to H2 = 1). So M = 2 x 16 = 32 g/mol.
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