1. Explain what would be the effect on your calculated mass percent recovery of Cu if you
a. used all of your NaOH solution in Part II as well as the litmus paper never turned blue?
b. Didn't completely react the Mg in the reaction mixture? Briefly explain.
2. With regard to the solutions you discarded in this experiment
a. Classify the salt discarded from the centrifuge tubes in Step 11.
b. Classify the compounds in the filtrate discarded in step 19.