SOLUTION: A chemistry teacher asks his students to make a 5% sodium solution. The students are given 9 liters of 15% sodium solution that they are to completely mix with water. How many lite
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Question 698451: A chemistry teacher asks his students to make a 5% sodium solution. The students are given 9 liters of 15% sodium solution that they are to completely mix with water. How many liters of water must be mixed to get the 5% solution? Answer by lwsshak3(11628) (Show Source):
You can put this solution on YOUR website! A chemistry teacher asks his students to make a 5% sodium solution. The students are given 9 liters of 15% sodium solution that they are to completely mix with water. How many liters of water must be mixed to get the 5% solution?
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let x=amt of water to be mixed
15%*9+0%x=5%(9+x)
1.35+0=.45+.05x
.05x=.90
x=18
amt of water to be mixed=18 liters
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