A sample of limestone and other soil materials was heated, and the limestone decomposed to give calcium oxide and carbon dioxide. CACO3 (s) → Ca0(s) + CO2 (g) A 3.043 g sample of limestone-containing material gave 1.25 g of CO2, in addition to CaO, after being heated at a high temperature. What was the mass percent of CaCO3 in the original sample?

Chemistry & Chemical Reactivity
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Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
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Chapter4: Stoichiometry: Quantitative Information About Chemical Reactions
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A sample of limestone and other soil materials was heated, and the limestone decomposed to give calcium oxide and carbon dioxide.
CACO3 (s) → Ca0(s) + CO2 (g)
A 3.043 g sample of limestone-containing material gave 1.25 g of CO2, in addition to CaO, after being heated at a high temperature. What was the mass percent
of CaCO3 in the original sample?
Transcribed Image Text:A sample of limestone and other soil materials was heated, and the limestone decomposed to give calcium oxide and carbon dioxide. CACO3 (s) → Ca0(s) + CO2 (g) A 3.043 g sample of limestone-containing material gave 1.25 g of CO2, in addition to CaO, after being heated at a high temperature. What was the mass percent of CaCO3 in the original sample?
Expert Solution
Step 1

CaCO3(s) --> CaO(s)+ CO2(g)

Mass of lime stone containing sample = 3.043g

CO2 produced = 1.25g

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