(Solution) - When 25 00 mL of unknown were passed through a Jones -(2025 Original AI-Free Solution)

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When 25.00 mL of unknown were passed through a Jones reductor, molybdate ion (MoO2-4) was converted into Mo3+. The filtrate required 16.43 mL of 0.010 33 M KMnO4 to reach the purple end point.
MnO-4 + Mo3+ ? Mn2+ + MoO22+
A blank required 0.04 mL. Balance the reaction and find the molarity of molybdate in the unknown.