135. Solving a chemistry problem

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• At what pH should the solution be saturated with hydrogen sulfide (C H2S = 0.1 mol / l) so that the concentration of 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

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