Describe exactly how to prepare a series of 8 solutions of a reagent with dilution factor of 2 within the series and the most concentrated solution with concentration of c1 = 50.0 mM. Each solution within the series should be at least 20mL in volume.The stock solution has the concentration of 1.00M. Find the concentrations of all 8 solutions in the series, and the volumes of water and a more concentrated solution (indicate which you intend to use) to prepare each of the solutions in the series.

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Asked Nov 14, 2019
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Describe exactly how to prepare a series of 8 solutions of a reagent with dilution factor of 2 within the series and the most concentrated solution with concentration of c1 = 50.0 mM. Each solution within the series should be at least 20mL in volume.

The stock solution has the concentration of 1.00M. Find the concentrations of all 8 solutions in the series, and the volumes of water and a more concentrated solution (indicate which you intend to use) to prepare each of the solutions in the series.

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Expert Answer

Step 1

It is assumed that 100 mL of 50.0 mM solution is prepared.

The amount of water required...

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M,V M2V2 (1000 mM)V (50.0 M) (100 mL) (50.0 M) (100 mL (1000 mM Volume of stock solution needed 5 mL Volume of water added = 100 mL-5mL = 95 mL Hence, 95 mL water is added to 5 mL stock solution to get 50.0 mM solution.

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