3.0 grams of limestone was dissolved in acid and converted into CaC2O4 and MgC2O4 compounds. The oxalate compounds were dried and weighed. The weight was found to be 1.8286 grams. This mixture was dissolved in sulfuric acid and 32.44 mL of a 0.100 M KMnO4 solution was consumed to titrate the oxalates. What are the percentages of MgCO3 and CaCO3 in the sample (Ca: 40.078 g/mol; Mg:24.305 g/mol; MgCO3: 84.313 g/mol; CaCO3: 100.086 g/mol)?
3.0 grams of limestone was dissolved in acid and converted into CaC2O4 and MgC2O4 compounds. The oxalate compounds were dried and weighed. The weight was found to be 1.8286 grams. This mixture was dissolved in sulfuric acid and 32.44 mL of a 0.100 M KMnO4 solution was consumed to titrate the oxalates. What are the percentages of MgCO3 and CaCO3 in the sample (Ca: 40.078 g/mol; Mg:24.305 g/mol; MgCO3: 84.313 g/mol; CaCO3: 100.086 g/mol)?
Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter4: Chemical Reactions In Solution
Section: Chapter Questions
Problem 4.102QE
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3.0 grams of limestone was dissolved in acid and converted into CaC2O4 and MgC2O4 compounds. The oxalate compounds were dried and weighed. The weight was found to be 1.8286 grams. This mixture was dissolved in sulfuric acid and 32.44 mL of a 0.100 M KMnO4 solution was consumed to titrate the oxalates. What are the percentages of MgCO3 and CaCO3 in the sample (Ca: 40.078 g/mol; Mg:24.305 g/mol; MgCO3: 84.313
g/mol; CaCO3: 100.086 g/mol)?
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