Advance study Assignment: The lodination of Acetone 1. In a reaction involving t

Question

Advance study Assignment: The lodination of Acetone 1. In a reaction involving the iodination of acelone, the following, volumes were used to make up the reaction mixture: S ml, 4.0 M acelone + 10ml, 1.0 M HCI + 10Ml. 0.0050 Ml2 + 25ml H2O a. How many moles of acelone were in the reaction mixture? Recall that, for a compose M,A, moles A = MA times Vs where MA is the molarity of A and V is the volume in liters of the solution of A that was used, b. what was the molarity of acelone in the reaction mixture? The volume of the mixture was 50 ml, 0.050 I, and the number of moles of acelone was found in part (a). Again, MA = moles of A/V of soln. in liters c. How could you double the molarity of the acelone in the reaction mixture. keeping the total volume at 50 ml and keeping the same concentrations of H4 ion and I2 as in the original mixture? Using the reaction mixture in Problem 1, a student found that it book 510 seconds for the color of the l2 to disappear. a. what was the rate of the reaction?

Explanation / Answer

Part A)

moles A = 4 mol/L * 0.005 L = 0.02 moles

b) Ma = 0.02 moles / 0.05 = 0.4 M

c) In this case, I just transfer 5 mL of the mixture to another vessel or flask, and with the 45 mL, add 5 more mL of acetone to double the moles and then, the molarity.

For question 2, I need equation 5, but the original concentration would be:

C = 0.0050 * (10/50) = 0.001 M

Hope this helps

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