2. Atoms & Elements
Law of Conservation of Mass
1:27 minutes
Problem 79
Textbook Question
Textbook QuestionA sample of CaCO3 was heated, causing it to form CaO and CO2 gas. Solid CaO remained behind, while the CO2 escaped to the atmosphere. If the CaCO3 weighed 612 g and the CaO weighed 343 g, how many grams of CO2 were formed in the reaction?
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