3. Calculate the pH of the resulting solution when mixing 75.0 mL of 0.05 M hydrochloric acid with 0.093 g of magnesium hydroxide.( Magnesium:24.3050 g/mol)(4%)

8. Extraction of a three-component mixture containing benzoic acid, m-nitroaniline and azobenzene dissolved in CH2Cl2. Combination of the extraction flow sheet can also be used to isolate each of the components of a ternary mixture containing benzoic acid, m-nitroaniline and azobenzene. Please predict A, B, C, D, E. (10%)