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The vanadium in a sample of ore is converted to VO2. The
Chapter 4, Problem 134(choose chapter or problem)
The vanadium in a sample of ore is converted to VO2. The VO2 ion is subsequently titrated with MnO4 in acidic solution to form V(OH)4 and manganese(II) ion. The unbalanced titration reaction is To titrate the solution, 26.45 mL of 0.02250 M MnO4 was required. If the mass percent of vanadium in the ore was 58.1%, what was the mass of the ore sample? Hint: Balance the titration reaction by the oxidation states method. 1
Questions & Answers
QUESTION:
The vanadium in a sample of ore is converted to VO2. The VO2 ion is subsequently titrated with MnO4 in acidic solution to form V(OH)4 and manganese(II) ion. The unbalanced titration reaction is To titrate the solution, 26.45 mL of 0.02250 M MnO4 was required. If the mass percent of vanadium in the ore was 58.1%, what was the mass of the ore sample? Hint: Balance the titration reaction by the oxidation states method. 1
ANSWER:Moles of MnO4 = 0.0