1. What is the molarity (mol/L) of a potassium permanganate solution if 19.88 mL

Question

1. What is the molarity (mol/L) of a potassium permanganate solution if 19.88 mL of it was used to titrate a 10.00 mL sample of a 0.1213 M sodium oxalate standard solution.

2. What is the percent by mass of sodium oxalate in a 0.413 g sample that took 19.91 mL of 0.03101 M potassium permanganate to titrate to a light pink endpoint?

3. What is the percent by mass of oxalate ion in a 0.245 g sample of the iron salt that took 21.01 mL of 0.01901 M potassium permanganate to titrate to a light pink endpoint?

Explanation / Answer

1. What is the molarity (mol/L) of a potassium permanganate solution if 19.88 mL

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