1.

The simplest formula of a compound containing 50% of element X (atomic mass 10) and 50% of element Y (atomic mass 20) isA. `XY`B. `X_(2)Y`C. `XY_(3)`D. `X_(2)Y_(3)`

Answer» Correct Answer - B
`|{:("Element",%(a),"At.wt"(b),a//b,"Rate"),(X,50,10,5,2),(Y,50,20,2.5,1):}|`
Simple formula `= X_(2)Y`


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