Question: The elements X and Y form compounds having molecular formula XY and XY4. When dissolved in 20 gm of benzene, 1 gm XY, lowers

The elements X and Y form compounds having molecular formula XY and

The elements X and Y form compounds having molecular formula XY and XY4. When dissolved in 20 gm of benzene, 1 gm XY, lowers the freezing point by 2.3C, whereas 1 gm of XY lowers the freezing point by 1.3C. The molal depression constant for benzene is 5.1. Calculate the atomic masses of X and Y.

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