Question: Please help me with this problem! You are in lab and need to make 150 mL of an aqueous NaF solution that is 0.5 M.

Please help me with this problem!

  1. You are in lab and need to make 150 mL of an aqueous NaF solution that is 0.5 M.
    1. If all you have is the solid ionic compound in the stock room, what mass do you weigh out?
    2. If the density of the solution is 1.27 g/mL, what is the molality of the solution?
    3. If all you have is a stock solution that is 5 M, describe how you would make the solution of interest.
    4. Which concentration unit is best to use if you run an experiment at multiple temperatures? Why?

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