35. Calculate the solubility of CaCO3 in g/L in water, if the solubility product (Ksp) is 5.43 x 10-10 (a) 2.3 x 102 (b) 2.3 x 10 (c) 2.3 x 104 (d) 2.3 x 105 The pH of a 0.150 mol/L acetic acid, CHCOOH, solution is: (K=1.8 x 105) (a) 4.76 (b) 5.56 (c) 7.41 (d) 2.78 37 For the following equilibrium, if the volume of the container is reduced while the temperature is kept constant, what is most likely to happen? H2() + 12 (6) -> 2HI) + 65 kJ (a) the system will not change (c) the number of particles will change (b) the system shifts to the left (d) Keq increases