How many grams of Ag₂S₂O₃ from when 125.0g AgBr reacts completely according to the reaction below?
2AgBr + Na₂S₂O₃ → Ag₂S₂O₃ + 2NaBr
Ag₂S₂O₃ : 327.74 g / mol
AgBr : 187.70 g / mol
______g? Ag₂S₂O₃
