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35cm3 of hydrogen was sparkled with 12cm3 of oxygen at 110°c and 760mmHg to produce...

35cm3 of hydrogen was sparkled with 12cm3 of oxygen at 110°c and 760mmHg to produce steam.What percentage of the total volume of gas left after the reaction is hydrogen.
A)11%
B)31%
C)35%
D)69%

Pls show your working?
In Chemistry
13 Answers Available
Asked by Ochuko on 11th February, 2019
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