3. There are 4 sets of solutions as given below. a. 20 mL 0.1 M acetic acid 20 mL 0.1 M HCl 20 mL 0.1 M NaOH b. 40 mL 0.1 M HCl 20 mL 0.1 M NaOH 60 mL 0.1 M sodium acetate c. 60 mL 0.1 M sodium acetate 20 mL HCl 20 mL 0.1 M acetic acid d. 40 mL 0.1 M NaOH 20 mL 0.1M acetic acid 40 mL 0.1M sodium acetate You are given 0.1M solutions of HCl, NaOH, acetic acid, sodium acetate Indicate if any of the solutions a-d given above is a buffer solutions, if not, how would you convert it into a buffer solution. You can add requisite amount of any one of the 0.1M solutions of HCl, NaOH, acetic acid or sodium acetate.