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Solution


Q.

The Elements X, Y Combine to Form Two Compounds as XY and X2Y. Find the Atomic Weight of X and Y, When the Weight of 0.1 Moles of XY is 10g and 0.05 Moles of X2Y is 9g.
1 60, 40  
2 80, 20  
3 30, 20  
4 20, 30  

Ans.

(b)