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 0.006363 M KMnO4. Calculate the molarity of La3+ in the unknown.
2 MnO4– + 5 H2C2O4 + 6 H+ → 2 Mn2+ + 10 CO2 + 8 H2O
Frequently Asked Questions
What scientific concept do you need to know in order to solve this problem?
Our tutors have indicated that to solve this problem you will need to apply the Oxidizing Agents concept. You can view video lessons to learn Oxidizing Agents. Or if you need more Oxidizing Agents practice, you can also practice Oxidizing Agents practice problems.
What is the difficulty of this problem?
Our tutors rated the difficulty ofA 50.00 mL sample containing La3+ was treated with sodium ox...as low difficulty.
How long does this problem take to solve?
Our expert Analytical Chemistry tutor, Jules took 3 minutes and 40 seconds to solve this problem. You can follow their steps in the video explanation above.