ICSE Class 10 Chemistry 2013 Solved Paper

Solve the following :

Question : 35 of 84

Marks: +1, -0

The vapour density of a gas is 8 . What would be the volume occupied by

24.0 {\g}

of the gas at STP?

Solution:

\;\text " Molecular Weight "\;\;=2 × {\VD}

\;=2 × 8

\;=16 {\g}

Volume of

16 {\g}

gas at STP

=22.4 l

∴

Volume of

24 {\g}

gas at STP

=\;{22.4}/{16} × 24

\;\text " = "\; 33.6 \;\text " litres. "\;

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