MCQOPTIONS
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| 1. |
138 grams of ethyl alcohol is mixed with 72 grams of water. The ratio of mole fraction of alcohol to water is |
| A. | 3 : 4 |
| B. | 1 : 2 |
| C. | 1 : 4 |
| D. | 1 : 1 |
| Answer» B. 1 : 2 | |