Exercise #2:

We have 4 stock solutions. We want to dilute these stock solutions to make 4 new solutions.

How much water do we have to add to the stock solution to make the desired concentration?

Stock solutions

Desired Solutions

Volume of the desired (new) solution

Volume of water added to the stock solution

1 liter of Urea 1 M

0.3 M Urea

500 ml of Glycerol 0.5 M

0.3 M Glycerol

10 ml Glucose 0.3 M

0.2 M Glucose

2 liters of NaCl 2 M

0.15 M of NaCl

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