SOLUTION: 1.)A student assistant for a chemistry, department was instructed to prepare 5 liters of an 8% sulfuric acid solution. In the supply room, flask A has a solution that is 5% and fla

Algebra ->  Customizable Word Problem Solvers  -> Mixtures -> SOLUTION: 1.)A student assistant for a chemistry, department was instructed to prepare 5 liters of an 8% sulfuric acid solution. In the supply room, flask A has a solution that is 5% and fla      Log On

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Question 205929: 1.)A student assistant for a chemistry, department was instructed to prepare 5 liters of an 8% sulfuric acid solution. In the supply room, flask A has a solution that is 5% and flask B has a solution that is 10%. How many liters from flask A&B,respectively, should the assistant mix to the required concentration.
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
5% solution=2 lt
10% solution=3 lt
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.05x+.1(5-x)=.08(5)
.05x+.5-.1x=.4
-.05x=-.1
x=2 lt