SOLUTION: A chemist mixed 18ml of 10% sulfuric acid with water to produce a mixture of 5%. How much water was mixed with the acid?

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Question 979551: A chemist mixed 18ml of 10% sulfuric acid with water to produce a mixture of 5%. How much water was mixed with the acid?
Answer by Alan3354(69443) About Me  (Show Source):
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A chemist mixed 18ml of 10% sulfuric acid with water to produce a mixture of 5%. How much water was mixed with the acid?
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18*10 + W*0 = 5*(18+W)
Solve for W