Description Given: A 10.00-g sample of gaseous ethane (C2H6) reacts with chlorine to form gaseous ...

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Description Given: A 10.00-g sample of gaseous ethane (C2H6) reacts with chlorine to form gaseous hydrogen chloride and a liquid compound (Y) that has a molar mass of 168 g/mol. Compound Y is 14.3% carbon, 84.5% chlorine, and the remainder hydrogen. The reaction produces 15.9 g of compound Y, which is 57.0% yield. I got this but it was wrong: C2H6(g)+4Cl2=4HCl(g)+2CHCl2(l)