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CBSE Class 11-science Answered

A gas mixture of 3 litres of propane and butane on complete combustion at 25'C produced 10 litres of CO2 initial composition of propane and butane in the gas mixture is?
Asked by minipkda | 18 Aug, 2018, 08:34: PM
answered-by-expert Expert Answer
straight C subscript 3 straight H subscript 8 space plus space 5 straight O subscript 2 space rightwards arrow space 3 CO subscript 2 subscript open parentheses straight g close parentheses end subscript end subscript space plus space 4 straight H subscript 2 straight O subscript open parentheses straight l close parentheses end subscript

straight C subscript 4 straight H subscript 10 space plus space 13 over 2 straight O subscript 2 space rightwards arrow 4 CO subscript 2 subscript open parentheses straight g close parentheses end subscript end subscript space plus space 5 straight H subscript 2 straight O subscript open parentheses straight l close parentheses end subscript


Let comma space straight C subscript 3 straight H subscript 8 space space be space apostrophe straight x apostrophe space litre space and space straight C subscript 4 straight H subscript 10 space space be space apostrophe straight y apostrophe space litre.

therefore space straight x plus space straight y equals space 3 space space space space.......... open parentheses 1 close parentheses space space space space space space space space space space space open parentheses given close parentheses

Volume space of space CO subscript 2 space end subscript space formed space 10 space litre

therefore space 3 straight x space plus 4 straight y space equals 10 space......... open parentheses 2 close parentheses

Solving space equation space open parentheses 1 close parentheses space and space open parentheses 2 close parentheses

straight x equals space 2 space litre

straight y equals space 1 space litre
The composition of propane in the gas mixture is 2 litre and butane is 1 litre.
Answered by Varsha | 20 Aug, 2018, 11:28: AM
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