State using a balanced chemical reaction and reagent involved? How to identify protein in a laboratory settings

 

One can imagine a "perfect" chemical reaction. One that affords only the desired product, thus is 100% ________. The perfect chemical reaction would be entirely _________, using only nonhazardous starting materials, reagents, and products. In addition, this reaction would require no __________ and no ________. Finally, the chemical reaction would incorporate all atoms of the starting materials on the left of the balanced chemical reaction into the desired product on the right side of the balanced chemical reaction. It would have a 100% _________ .

Complete the following precipitation reactions using balanced chemical equations.

Express your answer as a chemical equation. Identify all of the phases in your answer.

(1)  

(2)