The following reaction is a key step in black-and-white
Chapter 23, Problem 23.118(choose chapter or problem)
The following reaction is a key step in black-and-white photography (see p. 1035): AgBr(s) 2S2O3 2(aq) Ag(S2O3)2 3(aq) Br(aq) During fixing, 258 mL of hypo (sodium thiosulfate) was used. The hypo concentration was 0.1052 M before the AgBr reacted, and 0.0378 M afterward. How many grams of AgBr reacted? 23.
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