(a) 0 (b) 1 (c) 2 (d) 3 At 25°C, the solubility product (Ksp) of CaF2 in water is 3.2x 10", The solubility (in mole per kg of water) of the salt at the same temperature (ignore 1on pairing) is: 20. (c) 2.5x 10 )2.0 10 (a) 4.0 x 10 (b) 3.2 x 10 21. At 298 K, 0.1 mol of ammonia acetate and 0.14 mol of acetic acid are dissolved in l L of water. The