You are given a crushed sample that is a mixture of limestone (calcium carbonate), lime (calcium oxide), and sand. The calcium carbonate, or limestone, is the only material present in the mixture that will decompose when heated. You subject a 6.0685 g sample of the mixture to strong heating and after the sample reaches constant mass (no more mass is lost with additional heating), the sample has a final weight of 3.9247 g. What is the percentage of calcium carbonate present in the original mixture? (MW of calcium carbonate = 100.1 g/mol) Equation for reaction = CaCO3(s) -> CaO(s) + CO2(g).
You are given a crushed sample that is a mixture of limestone (calcium carbonate), lime (calcium oxide), and sand. The calcium carbonate, or limestone, is the only material present in the mixture that will decompose when heated. You subject a 6.0685 g sample of the mixture to strong heating and after the sample reaches constant mass (no more mass is lost with additional heating), the sample has a final weight of 3.9247 g. What is the percentage of calcium carbonate present in the original mixture? (MW of calcium carbonate = 100.1 g/mol) Equation for reaction = CaCO3(s) -> CaO(s) + CO2(g).
Chemistry & Chemical Reactivity
9th Edition
ISBN:9781133949640
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter4: Stoichiometry: Quantitative Information About Chemical Reactions
Section: Chapter Questions
Problem 27PS
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You are given a crushed sample that is a mixture of limestone (calcium carbonate), lime (calcium oxide), and sand. The calcium carbonate, or limestone, is the only material present in the mixture that will decompose when heated. You subject a 6.0685 g sample of the mixture to strong heating and after the sample reaches constant mass (no more mass is lost with additional heating), the sample has a final weight of 3.9247 g. What is the percentage of calcium carbonate present in the original mixture? (MW of calcium carbonate = 100.1 g/mol) Equation for reaction = CaCO3(s) -> CaO(s) + CO2(g).
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