Two Elements X and Y Combine to Form Two Compounds

Multiple Choice

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

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

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

A) XY₂
B) X₂Y₅
C) XY₄
D) X₂Yl₉
E) XY₅