05 A sample of limestone (containing calcium carbonate, CaCO3) weighing 438 mg is treated with oxalic acid, H2C2O4, to give calcium oxalate, CaC2O4. CaCO3(s) + H2C2O4(aq) → CaC2O4(s) + H2O(l) + CO2(g) The mass of the calcium oxalate produced is 469 mg. What is the mass percentage of calcium carbonate in this limestone?
05 A sample of limestone (containing calcium carbonate, CaCO3) weighing 438 mg is treated with oxalic acid, H2C2O4, to give calcium oxalate, CaC2O4. CaCO3(s) + H2C2O4(aq) → CaC2O4(s) + H2O(l) + CO2(g) The mass of the calcium oxalate produced is 469 mg. What is the mass percentage of calcium carbonate in this limestone?
Chemistry for Engineering Students
4th Edition
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter4: Stoichiometry
Section: Chapter Questions
Problem 4.106PAE: 4.106 An ore sample with a mass of 670 kg contains 27.7% magnesium carbonate, MgCO3. If all of the...
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05 A sample of limestone (containing calcium carbonate, CaCO3) weighing 438 mg is treated with oxalic acid, H2C2O4, to give calcium oxalate, CaC2O4.
CaCO3(s) + H2C2O4(aq) → CaC2O4(s) + H2O(l) + CO2(g)
The mass of the calcium oxalate produced is 469 mg. What is the mass percentage of
calcium carbonate in this limestone?
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