A 50.00 mL sample containing La3+ was titrated with sodium oxalate to precipitate La,(C204)3, which was washed, dissolved in acid, and titrated with 18.0 mL of 0.006363 M KMNO4. Calculate the molarity of La3+ in the unknown.

A 50.00 mL sample containing La3+ was titrated with sodium oxalate to precipitate La,(C204)3, which was washed, dissolved in acid, and titrated with 18.0 mL of 0.006363 M KMNO4. Calculate the molarity of La3+ in the unknown.

Chemistry: Principles and Reactions

8th Edition

ISBN:9781305079373

Author:William L. Masterton, Cecile N. Hurley

Publisher:William L. Masterton, Cecile N. Hurley

Chapter4: Reactions In Aqueous Solution

Section: Chapter Questions

Problem 78QAP: When 85.0 mL of 0.250 M Ba(OH)2 solution is added to 85.00 mL of 0.250 M Al (NO3)3 solution, a white...

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Question

A 50.00 mL sample containing La3+ was titrated with sodium oxalate to
precipitate La,(C204)3, which was washed, dissolved in acid, and titrated
with 18.0 mL of 0.006363 M KMNO4.
Calculate the molarity of La3+ in the unknown.

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