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1. |
The weight fraction of methanol in an aqueous solution is 0.64. The mole fraction of methanol XM satisfies________________? |
A. | XM < 0.5 |
B. | XM = 0.5 |
C. | 0.5 < XM < 0.64 |
D. | XM ≥ 0.64 |
Answer» E. | |