Chrismitchell0614go Chrismitchell0614go Chemistry Answered How many grams of Na2S2O3, would be required to produce 64.3 g NaBr? 2AgBr + Na2S2O3 → Ag2S2O3 + 2NaBr Na2S2O3 158.12 g/mol NaBr 102.89 g/mol [ ? ] g Na2S2O3