In a reaction involving the iodination of acetone, the following reaction mixture was used: 5.00mL 4.0M acetone, 5.00mL 1.0 M HCl, 5.00mL 0.0050 M I2, and 10.0 mL water.  what was the molarity of the acetone in the reaction mixture? (Recall that M1V1=M2V2)   the color of the above reaction mixture disappeared in 250 seconds. What was the rate of the reaction?

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