SOLUTION: You have 45 mL of a 30% acid solution. You want to create a 45% acid solution. How much pure acid will you need to add to create the 45% acid solution?

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Question 378552: You have 45 mL of a 30% acid solution. You want to create a 45% acid solution. How much pure acid will you need to add to create the 45% acid solution?
Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
45(30%) + x(100%) = (45 + x)(45%)