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In a chemical reaction, 12g of carbon reacts completely with 32g of oxygen to form carbon dioxide. If only 40g of carbon dioxide is collected, which of the following is the correct conclusion based on the Law of Conservation of Mass?
The reaction is incomplete because 4g of mass is unaccounted for.
The law of conservation of mass does not apply to gas formation.
Mass is always lost as energy, so the final mass decreases.
Carbon dioxide gas escaped during the reaction, so mass was not fully collected.
Carbon dioxide gas escaped during the reaction, so mass was not fully collected.
Practice and solve "In a chemical reaction, 12g of carbon reacts completely with 32g of oxygen to form carbon dioxide. I..." for General Science - Previous Year Paper 2026. The correct answer is Option D: Carbon dioxide gas escaped during the reaction, so mass was not fully collected.. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.
Practice and solve "In a chemical reaction, 12g of carbon reacts completely with 32g of oxygen to form carbon dioxide. I..." for General Science - Previous Year Paper 2026. The correct answer is Option D: Carbon dioxide gas escaped during the reaction, so mass was not fully collected.. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.