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Predict the mass of iron (III) sulfide produced when 3.0 g of iron filings react completely with 2.5 g of yellow sulfur solid, S8(s).
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Predict the mass of iron (III) sulfide produced when 3.0 g of iron filings react completely with 2.5 g of yellow sulfur solid, S8(s).

User Jviaches
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According to the principle of conservation of mass, the total mass in a system remains constant. Therefore, the total mass of reactants present will be equivalent to the total mass of products.

Mass of reactants = 3 + 2.5
Mass of reactants = 5.5

Therefore, the mass of product is 5.5 grams.
User Dtg
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