Answer to Question #196286 in General Chemistry for Caitlin

Question

I need to make 15.0 mL of 0.20M NaOH from 3.0M NaOH stock solution. How do I make the solution? And I need to tell how to make the solution.

Answer 1

Solutions of known concentration can be prepared either by dissolving a known mass of solute in a solvent and diluting to a desired final volume or by diluting the appropriate volume of a more concentrated solution (a stock solution) to the desired final volume.