SOLUTION: 2. A chemist wants to make 4 liters of a 7% acid solution by mixing a 10% acid solution and a 4% acid solution. How many liters of each solution should the chemist use? Write your
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Question 927293: 2. A chemist wants to make 4 liters of a 7% acid solution by mixing a 10% acid solution and a 4% acid solution. How many liters of each solution should the chemist use? Write your answer as a complete sentence.
Be sure to:
• Define your variable and expressions for the quantities.
• Write an equation that models the problem.
• Solve the equation.
• State the answer in a complete sentence.
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
To do this with just 1 unknown:
Let = liters of 10% acid solution needed
= liters of 4% acid solution needed
--------------------
---------------
2 liters of 10% acid solution are needed
2 liters of 4% acid solution are needed
----------
check:
OK
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