Weebly

AP Solution Stoichiometry Problems (Challenging Practice) 1. A 1.2516 gram sample of a mixture of CaCO. 3 and Na 2 SO 4 was analyzed by dissolving the sample and completely precipitating the Ca2+ as CaC 2 O 4.The CaC 2 O 4 was dissolved in sulfuric acid and the resulting H 2 C 2 O 4 was titrated with a standard KMnO 4 solution.(a)Write the balanced equation for the titration reaction, shown ... ................
................