ICSE Class 10 Chemistry 2020 Solved Paper

Calculate:

Question : 27

Total: 86

The volume occupied by 80g of carbon dioxide at STP.

Solution:

Molecular mass of CO2
=12+16×2=44‌gm
If vol. occupied by 44‌gm‌CO2 at STP =22.4l
Then vol. occupied by 80‌gm‌CO2 at STP
‌=‌

22.4

×80
‌=40.72l‌ or ‌40720‌ml

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