This week's lab is: identification of anions. during this weeks experiment, when using which of the following reagents are you required to make a solution of your unknown before adding the reagent? select all that apply.

dilute sulfuric acid

aqueous silver nitrate

acidified postassium permanaganate

aqueous barium chloride

saturated poatassium iodide (specific test)

saturated iron(ii) sulfate (specific test)

dilute nitric acid (specific test)