Review Questions for Midterm1.Calculate the pH of a solution labeled "0.25 M C17H19O3N (aq)". (pKbof C17H19O3N is 5.79) 2.A 0.050 M aqueous solution of aniline, C6H5NH2, is 9.3×10– 3% protonated. Calculate the pKbfor aniline. 3.Calculate the pH of a solution labelled "0.023 M HBrO (aq)". (pKaof HBrO = 8.69) 4.The pH of 0.10 M HClO2is 1.57. Determine the Kaof HClO2. 5.a) Determine the equilibrium expression for the reaction: CO2(g) + H2(g) ↔H2O(g) + CO(g) Given: H2O(g) ↔H2(g) + ½ O2(g); K1= 4.0×10– 62CO2(g) ↔2CO(g) + O2(g); K2= 1.3×10– 10b) A mixture of CO2, H2, H2O and CO, concentrations of 2, 1, 4, 2 M, respectively was introduced into a container. Will CO2tend to react as the reaction proceeds towards equilibrium? 6.a) How would you prepare 75.0 mL of 0.550 M KCl solution from 0.375 M KCl? b) How would you prepare 75.0 mL of 0.350 M KCl solution from 0.575 M KCl? 7.Consider the following reaction: HSO4–(aq) + H2O(l) →SO42–+ H3O+(aq) Which of the following statements is true? A) HSO4–is the base and H3O+ is its conjugate acid. B) HSO4–is the acid and SO
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