28. A 150 g mixture of methanol and ethylene glycol is dissolved in 1.0 kg of water, producing a solution with freezing point of-5.5 °C. Which ofthe following values is closest to the mole percent of methanol in the mixture? (K of water is1.86 °C/m)
(A) 10%
(B) 25%
(C) 30%
(D) 40%
(E) 55%
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統計: A(0), B(1), C(1), D(1), E(0) #3847804
統計: A(0), B(1), C(1), D(1), E(0) #3847804