SOLUTION: how do you do this word problem?
A chemist has 5 L of pure methanol. When a certain amount of water is added to it 80% solution is produced. How much water should be added?
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A chemist has 5 L of pure methanol. When a certain amount of water is added to it 80% solution is produced. How much water should be added?
Tha
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Question 333909: how do you do this word problem?
A chemist has 5 L of pure methanol. When a certain amount of water is added to it 80% solution is produced. How much water should be added?
Thanks! Answer by checkley77(12844) (Show Source):
You can put this solution on YOUR website! 5=.8(5+x)
5=4+.8x
.8x=5-4
.8x=1
x=1/.8
x=1.25 liters of water is added.
Proof:
5=.8(5+1.25)
5=.8*6.25
5=5
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