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Chemistry, 28.10.2019 14:45 JUMAIRAHtheOTAKU

Apiece of iron is pound containing a compound containing 72.3% of iron and 27.7% oxygen with molecular mass of 231.4g mol. what is the molecular formula of compound?

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Apiece of iron is pound containing a compound containing 72.3% of iron and 27.7% oxygen with molecul...
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