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If a sample of the compound contains 0.273 mol A, 0.410 mol B, and 0.546 mol C then determine the formula of a compound?

Considering the given equation as 2 FeS + 3 N2 → 2 FeN + 2 SN2 this reaction has a 65.0% yield. Determine how much Nitrogen gas is consumed if 13.6 grams of FeN are formed in above reaction?

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