Answer:
The answer to your question is 52 ml
Explanation:
Data
Volume 1 = ?
Concentration 1 = 6.63M
Volume 2 = 250 ml
Concentration 2 = 1.38 M
To solve this problem use the dilution equation.
Formula
Volume 1 x Concentration 1 = Volume 2 x Concentration 2
-Solve for Volume 1
Volume 1 = Volume 2 x Concentration 2 / Concentration 1
-Substitution
Volume 1 = (250 x 1.38) / 6.63
-Simplification
Volume 1 = 345 / 6.63
-Result
Volume 1 = 52.04 ml
-Conclusion
I need 52 ml of the stock solution.
