Question: A 50.00-mL sample containing La 3+ was treated with sodium oxalate to precipitate La 2 (C 2 O 4 ) 3 , which was washed,

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. Calculate the molarity of La³+ in the unknown.

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2MnO 4 5H 2 C 2 O 4 6H 2Mn 2 10CO 2 8H 2 O 1804 ... View full answer

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