Question
Asked Oct 5, 2019
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A 30.6 g sample of the compound X2O3 contains 14.4 g of oxygen atoms. What is the molar mass of element X?

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Expert Answer

Step 1

The values are given as follows:

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mass of the compound X203 30.6 g mass of Oxygen atom = 14.4 g

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Step 2

The number of moles of oxygen atom can be calculated as follows:

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Step 3

Since, the mole ratio of X and O is 2:3. Therefore, the numbe...

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moles of X 0.9 mol Ox2mol X 3 mol O 0.6 mol X

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