›› Re: sodium thiosulfate   (08/16/2012, 10:07 AM)

The molar mass of Na2S2O3 is on this page:


The mass percent of sodium in that compound is 29.081% so if you have 25 grams of sodium thiosulfate, then you would have 7.27 grams of sodium.


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07/27/2012, 4:40 PM sodium thiosulfate
08/16/2012, 10:07 AM     Re: sodium thiosulfate