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Assume that you carry out the following dilutions:

Assume that you carry out the following dilutions:
(i) you take 1mL of 10^-6M of AsCl3 and diluted it to 1 Kiloleter (Solution A)
(ii) Then you take 1microliter of Solution A and dilute to 10L to make solution B
(iii) Then you take 1mL of Solution B and dilute to 1L to make Solution C.

A) Calculate the concentration of AsCl3 in Solution C

B) Calculate the number of molecules of AsCl3 that would be in 1 mL of Solution C at this concentration. Look at your answer. This is the average number per mL. But what is the most likely number (ie integer) of molecules of AsCl3 in 1 mL?

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