\( 25 \mathrm{~g} \) of an unknown hydrocarbon upon burning produces \( 88 \mathrm{~g} \) of \( ...

\( 25 \mathrm{~g} \) of an unknown hydrocarbon upon burning produces \( 88 \mathrm{~g} \) of \( \mathrm{CO}_{2} \) and 9 of \( \mathrm{H}_{2} \mathrm{O} \). This unknown hydrocarbon contains.
 
(1) \( 20 \mathrm{~g} \) of carbon and \( 5 \mathrm{~g} \) of hydrogen
(2) \( 24 \mathrm{~g} \) of carbon and \( 1 \mathrm{~g} \) of hydrogen
(3) \( 18 \mathrm{~g} \) of carbon and \( 7 \mathrm{~g} \) of hydrogen
(4) \( 22 \mathrm{~g} \) og carbon and \( 3 \mathrm{~g} \) of hydrogen