ICSE Class 10 Chemistry 2020 Solved Paper

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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
44
×80

‌=40.72l‌ or ‌40720‌ml
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