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pharmtech23 pharmtech23
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11 months ago
100 mL of active ingredient is mixed with distilled water to total 3L. What is the final concentration (v/v)?
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11 months ago
Hi pharmtech23

The answer is 3.3%

First, we need to know the volume of the active ingredient in the final solution and the total volume of the final solution. The volume of the active ingredient is given as 100 mL, and the total volume of the final solution is 3 L, which is equivalent to 3000 mL.

So the final concentration (v/v) is:

(volume of active ingredient / total volume of solution) x 100%

= (100 mL / 3000 mL) x 100%

= 3.3%

Therefore, the final concentration of the active ingredient in the solution is 3.3% (v/v).
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