SOLUTION: how many liters of pure alkali must be added to 10 L of water to be able to produce a solution that is 75% alkali?

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Question 978030: how many liters of pure alkali must be added to 10 L of water to be able to produce a solution that is 75% alkali?
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
Pure alkali will not be a liquid. Do you have the identity AND the density of your pure alkali? Otherwise the problem description is lacking. I continue to hesitate in trying to give further guidance about this, because adding concentrated alkali to water is potentially dangerous, depending how it is done.