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Suppose that you are given two unlabeled beakers. One beaker contains water, and the other beaker contains a solution of ethanol and water. How could you safely determine which beaker contains just water?

Sagot :

You could smell each beaker since water does not have a specific scent while ethanol does


Simple distillation


If the contents of the two beakers are distilled, water boils at 100oc and pure water is collected. The other solution will not boil at 100oc, it will boil at a lower temperature and two fractions will be collected after simple distillation.