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Conservation of mass Knowledge-Based Practice

Chemistry · Matter · Chemistry · Properties & Changes of Matter

1 Chemistry practice questions on Conservation of mass. Questions that assess core concepts and understanding.

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Questions

  1. 1.

    In a sealed container, a 10.0 g sample of calcium carbonate is heated until it completely decomposes into solid calcium oxide and carbon dioxide gas. If 5.6 g of calcium oxide is produced, what is the mass of carbon dioxide gas formed?

    • A) 15.6 g
    • B) 10.0 g
    • C) 5.6 g
    • D) 4.4 g

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