19. Решение задачки по химии №32

227. What mass of ammonium thiocyanate must be added to 50 ml of a solution of silver thiosulfate complex Ag(S2O3)23- with a concentration of 5*10-3 mol/l, in which the equilibrium concentration of S2O32- is 0.1 mol/l, in order to form a precipitate of silver thiocyanate?

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