Answer to Question #31606 in Inorganic Chemistry for sheetal
CxHy + zO2 = xCO2 + y/2H2O
We can find the empirical formula of the hydrocarbon fromthe next ratio:
(x/y) = (m(CO2)/M(CO2)) : (m(H2O)/(M(H2O)/2)) = (3.08 g / 44 g/mol ) : (0.72 g / (18 g/mol / 2 )) = 0.07 : 0.08 = 7 : 8
Thus, the empirical formula of the hydrocarbon isC7H8.
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