SOLUTION: Theresa Yee, a chemist, has a 25% hydrochloric acid solution and a 50% hydrochloric acid solution. How many liters of each should she mix to get 10 liters of a hydrochloric acid so

SOLUTION: Theresa Yee, a chemist, has a 25% hydrochloric acid solution and a 50% hydrochloric acid solution. How many liters of each should she mix to get 10 liters of a hydrochloric acid so

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Question 451040: Theresa Yee, a chemist, has a 25% hydrochloric acid solution and a 50% hydrochloric acid solution. How many liters of each should she mix to get 10 liters of a hydrochloric acid solution with a 40% acid concentration?
Answer by rwm(914) (Show Source): You can put this solution on YOUR website!
a+b=10
.25a+.5b=10*.4
.25a+.5b=4
a=4 b=6
check
1 +3=4
ok
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