F12F11ID: ADate:Class:ID: A24.6. The amount of calcium present in milk can be determined by adding oxalate to a sample andmeasuring the mass of calcium oxalate precipitated. What is the mass percent of calcium if0.429 g of calcium oxalate forms in a 125-g sample of milk when excess aqueous sodiumoxalate is added?Na,C2O4(aq) + Ca²*(aq)→ CaC2O4(s) + 2Na*(aq)a.0.107%b.0.202%с.0.343%d.1.10%е.1.37%25.Identify all the spectator ions in the following reaction.KSO4(aq) + 2MNSO4(aq) + 5FE2(SO4)3(aq)

Na2C2O4 (aq) + Ca2+(aq) →CaC2O4(s) + 2Na+(aq) number of moles of Ca2+(aq) = number of moles of…

6. The amount of calcium present in milk can be determined by adding oxalate to a sample and measuring the mass of calcium oxalate precipitated. What is the mass percent of calcium if g of calcium oxalate forms in a 125-g sample of milk when excess aqueous sodium 0.429 oxalate is added? Na,C2O4(aq) + Ca²*(aq) → CaC2O4(s) + 2Na*(aq) a. 0.107% b. 0.202% 0.343% с. d. 1.10% е. 1.37%

6. The amount of calcium present in milk can be determined by adding oxalate to a sample and measuring the mass of calcium oxalate precipitated. What is the mass percent of calcium if g of calcium oxalate forms in a 125-g sample of milk when excess aqueous sodium 0.429 oxalate is added? Na,C2O4(aq) + Ca²(aq) → CaC2O4(s) + 2Na(aq) a. 0.107% b. 0.202% 0.343% с. d. 1.10% е. 1.37%

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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