MoneyMaker

No, not homework. LOL that was long ago and if I would have been paying closer attention I would not have to ask you guys for help! The 50% is derived from the 50% solution that is sold commercially. I think its the maximum amount that will dissolve in water, therefore I do not know if it is by volume or weight. Thanks

How many pounds of Sodium Hydroxide does it take to make 10 gallons of 50% Sodium Hydroxide solution?