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Two Elements X and Y Combine to Form Two Compounds

question 11

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Two elements X and Y combine to form two compounds with the following compositions

 Compound % Mass X% Mass Y122.5677.44214.8785.13\begin{array}{|l|l|l|}\hline \text { Compound } & \% \text { Mass X} & \% \text { Mass Y} \\\hline & & \\\hline 1 & 22.56 & 77.44 \\\hline 2& 14.87 & 85.13 \\\hline\end{array}

If compound 1 has the formula XY3 then a possible formula for compound 2 is


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