29. At what pH should the solution be saturated with hydrogen sulfide (CH2S=0.1 mol/l) so that the concentration of the S2- ion is: 1) 2*10-16 g-ion/l; 2) 5*10-14 g-ion/l; 3) 4*10-12 g-ion/l; 4) 5*10-17 g-ion/l; 5) 3*10-9 g-ion/l;

If the file does not open for you, install the Rar archiver program. Inside the archive, the solution is in WORD format.