Preparing Solutions

During lab you need to prepare a solution that is 5.00 x 10-2 M Fe(CN)63- using K3Fe(CN)6.

(a) Explain how to make 500 mL of this solution so that you know its concentration exactly.

(b) If you transfer 5.00 mL of this solution to a 100.0 mL volumetric flask, what will be the solution’s final concentration?

(c) What is the concentration of K+, in ppm, in your final solution?

About the Author

ASDL Contributor

David Harvey

Professor of Chemistry & Biochemistry at DePauw University

David T. Harvey is a Professor Emeritus of Chemistry and Biochemistry at DePauw University in Greencastle, Indiana, where he has been a dedicated faculty member since 1986. Over his nearly four-decade career, Dr…
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