ICSE Class 10 Chemistry 2020 Solved Paper

Calculate:

Question : 26

Total: 86

The amount of each reactant required to produce 750‌ml of carbon dioxide, when two volumes of carbon monoxide combine with one volume of oxygen to produce two volumes of carbon dioxide.
2‌CO+O2→2CO2

Solution:

2‌CO+O2‌→‌2CO2
2‌‌‌‌‌:‌‌‌‌1‌‌‌:‌‌‌‌2
(1) If 2 vol. of CO2 is produced from 2 vol. of CO
Then 750‌ml of CO2 is produced from
=‌

×750=750‌ml‌ of ‌CO
(2) If 2 vol. of CO2 is obtained from 1 vol. of O2
Then 750‌ml of CO2 is obtained from =‌

×750=375‌ml of O2

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