mixing 10 mL of an active ingredient with water to a total of 200 mL results in what concentration?

To find the concentration of the solution when 10 mL of an active ingredient is mixed with water to a total volume of 200 mL, you can use the following formula:

\[
\text{Concentration (\% v/v)} = \left(\frac{\text{Volume of solute (mL)}}{\text{Total volume of solution (mL)}}\right) \times 100
\]

Here, the volume of the active ingredient (solute) is 10 mL, and the total volume of the solution is 200 mL.

\[
\text{Concentration (\% v/v)} = \left(\frac{10 \text{ mL}}{200 \text{ mL}}\right) \times 100 = 5\%
\]

So, the concentration of the solution is **5% v/v**.

Would you like more details or have any questions?

Here are 5 related questions:
1. What would be the concentration if you only used 5 mL of the active ingredient?
2. How would you calculate the concentration if the total volume was increased to 500 mL?
3. What is the concentration in terms of mg/mL if the active ingredient has a specific density?
4. How does concentration change if the active ingredient is diluted further with more water?
5. What is the significance of v/v concentration compared to w/v concentration?

**Tip:** The v/v concentration is particularly useful when both the solute and solvent are liquids.

Learn how to calculate the concentration of a solution when mixing 10 mL of an active ingredient with water to a total volume of 200 mL. Use the percentage concentration formula to find the exact percentage. Suitable for high school chemistry students.

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