A mixture contains \( 5.4 \mathrm{~g} \) of \( \mathrm{Al}, 1.2 \mathrm{~g} \) of \( \mathrm{Mg}...
A mixture contains \( 5.4 \mathrm{~g} \) of \( \mathrm{Al}, 1.2 \mathrm{~g} \) of \( \mathrm{Mg} \) and \( 4.6 \mathrm{~g} \) of \( \mathrm{C}_{2} \mathrm{H}_{5} \mathrm{OH} \). The ratio of their moles is
(A) \( 4: 1: 2 \)
(B) \( 2: 1: 5 \)
(C) \( 2: 1: 4 \)
(D) \( 2: 3: 4 \)
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