A chemistry problem by Abhiram Rao

Chemistry Level 2

A 0.20 mol 0.20\text{ mol} sample of a hydrocarbon C x H y \text{C}_x \text{H}_y after complete combustion with excess O X 2 \ce{O_2} gas yields 0.80 mol 0.80 \text{ mol} of carbon dioxide and 1.0 mol 1.0 \text{ mol} of water. What is the value of y − x y-x ?


The answer is 6.

Abhiram Rao by Abhiram Rao , 18, India

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1 solution

Prince Loomba
Jan 1, 2017

1 mol compound gives 4 mol CO2=4 mol C and 5 mol H2O=10 mol H. So formula C4H10. Answer 6.

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