1.5 moles of \( \mathrm{O}_{2} \) combine with \( \mathrm{Mg} \) to form oxide P \( \mathrm{MgO}...

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1.5 moles of \( \mathrm{O}_{2} \) combine with \( \mathrm{Mg} \) to form oxide
P
\( \mathrm{MgO} \). The mass of \( \mathrm{Mg} \) (At. mass 24) that has
W
combined is :
(A) \( 72 \mathrm{~g} \)
(B) \( 36 g \)
(C) \( 24 \mathrm{~g} \)
(D) \( 94 \mathrm{~g} \)
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