SOLUTION: how much water must be evaporated from a 300 L tank of a 2% salt solution to obtain a 5% solution?
Algebra.Com
Question 30091: how much water must be evaporated from a 300 L tank of a 2% salt solution to obtain a 5% solution?
Answer by Paul(988) (Show Source): You can put this solution on YOUR website!
Let the solution be x
2(300)=5(300-x)
600=1500-5x
-5x=-900
x=180
Hence, about 180L of solution must be evaporated.
PAul.
RELATED QUESTIONS
how much water must be evaporated from 300 ounces of 12% salt solution to obtain a 15%... (answered by Alan3354)
Please help me solve this equation: How much water must be evaporated from a 300L tank of (answered by venugopalramana)
How much water must be evaporated from a 250 mL tank of a 3% salt solution to obtain a 5% (answered by stanbon)
How much water must be evaporated from a 240 liter tank of a 1 % salt solution to obtain... (answered by ewatrrr)
How much water must be evaporated from 500 grams of a 10% salt solution
to obtain a 15%... (answered by ankor@dixie-net.com)
How much water must be evaporated from 5 liters of a 30% salt solution to obtain a 50%... (answered by richard1234,robertb)
How much water must be evaporated from 240 gallons of a 3% salt solution to produce a 5%... (answered by checkley71)
How much water must be evaporated from 240 gallons of a 3%salt solution to produce a 5%... (answered by ptaylor)
How much water must be evaporated from 240 gallons of a 3% salt solution to produce a 5%... (answered by mananth)