Gb asked in Science & MathematicsChemistry · 8 months ago

Chemistry help?

A gaseous mixture of ethane, CH3CH3 and propane, CH3CH2CH3 weighing 1.000 g is burned in excess oxygen, O2(g) to form water, H2O(l) and 1676 mL of carbon dioxide, CO2(g) at 25.0 °C and 100 kPa. What was the percentage by mass of ethane in the original mixture?

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