SOLUTION: . A chemist wants to make 50 ml of a 16% acid solution by mixing a 13% acid solution and an 18%
acid solution. How many milliliters of each solution should the chemist use?
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acid solution. How many milliliters of each solution should the chemist use?
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Question 846731: . A chemist wants to make 50 ml of a 16% acid solution by mixing a 13% acid solution and an 18%
acid solution. How many milliliters of each solution should the chemist use?
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Amanda wants to make 8 gal. of a 20% saline solution by mixing together a 56% saline solution and a 8% saline solution. How much of each solution must she use?
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e = amount of 8%
f = amount of 56%
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e+ f = 8 (total solution)
8e + 56f = 20*8 (total saline)
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e+ f = 8
e + 7f = 20
------------ Subtract
-6f = -12
f = 2
e = 6
