Question

Solid silver nitrate is added slowly to a solution that is 0.0010 M in sodium chloride and 0.0010 M in sodium bromide. What % of the bromide ions remain in solution, ie , unprecipitated, Just before silver chloride begins to precipitate? Kap for AgCI-1.8 x 10-10, Kp for AgBr- 3.3 x 10-13 10. 0.18% 0.018% 0.0010% 0.00010% 0.0018% a. b. c. d. e. 11. Calculate the concentration of F ions in saturated CaF2 solution at 25°C. Kap- 3.9x 10-" a. 2.1 x 10M b. 4.3 x 104M c. 0.016M d. 0.032 M e. 0.10 M

Answer 1

Naai 0.0010 M er va 0,001. (M Ca e 8 x1010 br x1012 red Ao tute duct

33X I o 004 3,3 X10-10 (처 Miced to tate 8 X10 b.001 1.10M

331 33 x 10-12 1.43 X10 br 1,844 시0-6 (x) 01 - [M

,ion 'Gee 0,001 (h) )-844x1976 100 0'00 소 01844

eaya 2 , Kop 48

On 05) 為 ムー 214 x 10 maln. 2 214 01 o (M) 4.5% 10-4