A 1.000-L vessel contains a mixture of hydrogen, carbon monoxide and methane gases in unknown proportions...

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A 1.000-L vessel contains a mixture of hydrogen, carbon monoxide and methane gases in unknown proportions...

A 1.000-L vessel contains a mixture of hydrogen, carbon monoxide and methane gases in unknown proportions at 20.0-bar and 25 °C. The gaseous mixture is found to have a mass of 12.80-g and a higher heating value of 342.60 kJ/mol. What is the composition of the gas?

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