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Suppose the elements X and Y combine to ...

Suppose the elements `X` and `Y` combine to form two compounds `XY_2` and `X_3Y_2`. When 0.1 mole of `XY_2` weighs 10g and 0.05 mole of the other weighs `9 g`, the atomic weights of `X` and `Y` are.

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[(A)`rarr`(Q)],[(B)`rarr`(P )],[(C ) `rarr` (S)],[(D)`rarr`(R)]
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PATHFINDER-FG-1 (ALCOHOLS, PHENOLS & ETHERS)-QUESTION BANK
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