SOLUTION: I would like a formula that would give me the the percentage of acid in the final mixture when for example 6 oz of a concentrate that is 18% acid is mixed with 128 oz water.

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Question 767813: I would like a formula that would give me the the percentage of acid in the final mixture when for example 6 oz of a concentrate that is 18% acid is mixed with 128 oz water.
Answer by josgarithmetic(39618) About Me  (Show Source):
You can put this solution on YOUR website!
whatever mass units of percent and of water, if you have 6 units of 18% acid and mix with 128 these units of water, then the result concentration will be:
6%2A18%2F%286%2B128%29 %.

If you want a formula, decide which number or numbers you want as variables.