Thursday
October 23, 2014

Homework Help: chemistry

Posted by Alan on Sunday, September 16, 2007 at 3:41pm.

compute volume and/ or weights of reagents to make the following solution.

Desired concentration: 40% NaOH + 4% Na2S2O3
Desired quantity: 1500 mL
Given: 90% w/w NaOH, pure Na2S2O3

I'm not sure how to do this so any help would be great. Thanks!

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