Answer Happy

4) The hydrolysis of sucrose depicted below has a Keq = 1.4 x 109. Which of the following is NOT a reasonable assumption about this reaction once equilibrium is established? sucrose + H2O + glucose + fructose A) The equilibrium mixture contains mostly glucose and fructose. B) The equilibrium mixture contains equal amounts of sucrose, glucose, and fructose. C) The equilibrium mixture favors the products. D) The hydrolysis and formation of sucrose occur at the same rates.

13) Which of the following is the weakest acid? A) acetic acid, Ka = 1.8 x 10-5 B) carbonic acid, Ka = 4.4 x 10-7 C) phosphoric acid, pka - 2.15 D) hydrosulfuric acid, pka -6.96