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Determine the empirical formula of an ox...

Determine the empirical formula of an oxide of iron, which has 69.9% iron and 30.1% dioxygen by mass.

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Calculation of empirical formula:

`therefore` Empirical formula `=Fe_(2)O_(3)`.
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ICSE-SOME BASIC CONCEPTS OF CHEMISTRY -NCERT TEXT-BOOK EXERCISES (WITH HINGS AND SOLUTIONS)
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