Watch the following video on how to prepare a dilution, and use it as a guide to answer the following questions in your notes about preparing dilution solutions.

The video shows a different method of calculating how to dilute a stock solution of NaCl.

1. What is the concentration of the stock solution?

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0.250M

2. What is the final concentration of the dilute solution?

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0.01M

3. How much water was added to the volumetric flask to make the dilute solution?

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The total volume of the dilute solution = 250 mL.

The total volume of dilute solution = (volume of concentrated solution) + (volume of water).

250 mL = 10 mL + (volume of water).

Volume of water = 240 mL