A 50.00-mL sample containing La 3+ was treated with sodium oxalate to precipitate La2(C 2 O 4
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A 50.00-mL sample containing La3+ was treated with sodium oxalate to precipitate La2(C2O4)3, which was washed, dissolved in acid, and titrated with 18.04 mL of 0.006 363 M KMnO4. Write the titration reaction and find [La3+] in the unknown.
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