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What is the molarity of a K2Cr2O7 solution if 20 ml of the solution requires 60.4...

What is the molarity of a K2Cr2O7 solution if 20 ml of the solution requires 60.4 ml of .3M KI solution for complete reaction?

K2Cr2O7 + 2KI + 14H+ -> 2Cr3+ + 4K+ + I2 +7H2O

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