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Ilmes New
1
Consider a hypothetical compound composed of elements X, Y, and Z with the
empirical formula X2YZ3. Given that the atomic masses of X, Y, and Z are 41.2,
57.7, and 63.9, respectively.
A. Calculate the percentage composition by mass of the compound. If the
molecular formula of the compound is found by molar mass determination to be
actually X4Y226.
B. What is the percentage of each element present? Explain your results.