allery10 mL of 0.05 M Mohr's salt is titrated with 0.01 M KMnO4. What volume of KMnO4 is used?
A50 mL
B2 mL
C10 mL
D25 mL
Answer & Solution
Correct answer: C. 10 mL
Fe2+ gives 1 electron and MnO4- takes 5, so 0.05 x 10 = 5 x 0.01 x V, giving V = 10 mL.
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