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