nathanfullmer nathanfullmer

02-11-2022
Chemistry

Answered

During the processing of black-and-white photographic film, excess silver(I) halides are removed by washing the film in a bath containing sodium thiosulfate. This treatment is based on the following complexation reaction:

Kf = 5.00x1013

What is the ratio of [Ag+] to [Ag(S2O3)23–] in a bath in which [S2O32–] = 0.237 M ?

Answer :

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