Asked by Anna
how do you make 0.2M KI from 2M KI, what is the procedure?
Answers
Answered by
drwls
The 2M mixture contains 2 moles of KI per liter volume. That amounts to 2x166 = 312 g of KI per liter. What you want is a mixture with 1/10 as much KI per liter.
If you want to create a volume V of the more dilute 0.2M solution, start with 0.1 V of the concentrated solution and add 0.9 V of H2O.
If you want to create a volume V of the more dilute 0.2M solution, start with 0.1 V of the concentrated solution and add 0.9 V of H2O.
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