If you take a 15.0-mL portion of the stock solution and dilute it to a total volume of 0.700 L , what will be the concentration of the final solution?

0.321M would be the concentration of the final solution

Explanation:

In the problem, you are decreasing the concentration of a solution (The stock solution) by the addition of more solvent (This process is known as dilution).

You are increasing the volume of the solution from 15mL to 700mL, that means the solution is diluted:

700mL / 15mL = 46.67 times

Now, to know the concentration of a final solution we need to take the concentration of the stock solution. Assuming the stock solution is 15M:

15M / 46.67 =

108

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