SOLUTION: How much water should be added to 6 gallons of a solution that is pure acid to obtain a 15% soulution?

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Question 942883: How much water should be added to 6 gallons of a solution that is pure acid to obtain a 15% soulution?
Found 2 solutions by lwsshak3, Alan3354:
Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
let x=amt of water should be added
100%*6=15%(x+6)
6=.15x+.90
.15x=5.1
x=34
How much water should be added? 34 gal

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Never add water to strong acid.
Always pour the acid into the water.