a 0.279g sample of iron was heated to the resulting product with a mass of 0.400g...

Question

Question

a 0.279g sample of iron was heated to the resulting product with a mass of 0.400g determine the empirical formula for the compound

science chemistry

Answer 1

Answer #1

Molar mass of Fe 56 g/mole Thus, moles of Fe in 0.279 g of it mass/molar mass 0.005 mass of O in the formed oxide 0.4 -0.279

Answer 2

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