Sodium hydroxide Sodium hydroxide kdorfman Mon, 10/29/2018 - 17:55 NaOH MW = ~40 10mM = 0.01M = 0.4g/L MW of NaOH: Concentration: Mto make: mLadd: g NaOH if you have g of NaOH pelletswhich has a MW of g/moland you want to make M NaOHdissolve in mL water