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How will you make the following solutions? Show calculations?
-250 ml of 20 m of NaOH (MW 40)
-500 ml solution of 10% SDS from powder
-50 ml of 1x TAE from 50 x TAE
-1 lit of 10 mM Tris, pH 8 and 1 mM EDTA from the stock solutions of Tris pH 8.0 and 0.5M EDTA. 

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