The amount of ice that will separate out on cooling a solution containing \( 50 \mathrm{~g} \) o...

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The amount of ice that will separate out on cooling a solution containing \( 50 \mathrm{~g} \) of ethylene glycol in \( 200 \mathrm{~g} \) water to \( -9.3^{\circ} \mathrm{C} \) is: \( \left(K_{f}^{\prime}=1.86 \mathrm{~K}_{\text {molality }^{-1}}\right) \)
(A) \( 38.71 \mathrm{~g} \)
(B) \( 38.71 \mathrm{mg} \)
(C) \( 42 \mathrm{~g} \)
(D) \( 42 \mathrm{mg} \)
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