ICSE Class 10 Chemistry 2020 Solved Paper

Calculate:

Question : 27 of 86

Marks: +1, -0

The volume occupied by

80 {\g}

of carbon dioxide at STP.

Solution:

Molecular mass of

{\CO}_2

=12+16 × 2=44 {\gm}

If vol. occupied by

44 {\gm} {\CO}_2

at STP

=22.4 l

Then vol. occupied by

80 {\gm} {\CO}_2

at STP

\;=\;{22.4}/{44} × 80

\;=40.72 l \;\text " or "\; 40720 {\ml}

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