SOLUTION: Suppose you have an 8% NaOH solution. How much pure NaOH must you add in order to increase the concentration to 40%?

SOLUTION: Suppose you have an 8% NaOH solution. How much pure NaOH must you add in order to increase the concentration to 40%?

Algebra.Com

Question 1124587: Suppose you have an 8% NaOH solution. How much pure NaOH must you add in order to increase the concentration to 40%?
Answer by josgarithmetic(39618) (Show Source): You can put this solution on YOUR website!
Assuming mass/mass,
and some known starting amount of your 8% NaOH, B

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