A 7.50g sample of pyrite (FeS2) contains 3.49g of iron. What are the percentage of iron and sulfur in pyrite (also know as fools gold because of the color

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06-10-2022
Chemistry

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A 7.50g sample of pyrite (FeS2) contains 3.49g of iron. What are the percentage of iron and sulfur in pyrite (also know as fools gold because of the color

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