What is the percent composition of beryllium (Be) and oxide (O) in BeO? Round your answer to the nearest whole percentage.

Explanation:

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In this case, since the percent compositions of Be and O in beryllium oxide are computed as shown below:

Since atomic masses are respectively 9.01 and 16.0 g/mol and the molar mass of the compound is 25.01 g/mol, the resulting percent compositions are:

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explanation:

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