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September 5, 2015

Homework Help: CHEMISTRY: URGENT

Posted by LC on Monday, October 29, 2012 at 10:48pm.

30cm^3 of a mixture of methane and ethane were mixed with 100cm^3 of oxygen at ordinary temperature and pressure and exploded. After cooling the residual gases occupied 61.5cm^3. Find the percentage by volume of each gas in the mixture, methane (CH4) and ethane(C2H6).

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