SOLUTION: How much water must be boiled off from 40 liters of a 30% salt solution to produce a 80% salt solution?
Algebra.Com
Question 149895: How much water must be boiled off from 40 liters of a 30% salt solution to produce a 80% salt solution?
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
.3*40=12 amount of salt in the mixture.
.8x=12
x=12/.8
x=15 L is 80% salt mixture.
40-15=25 L must be boiled off.
RELATED QUESTIONS
How much water must be added to a 40 liters of a 30% salt solution to produce a 25% salt... (answered by nerdybill)
how many liters of water must be added to 80 liters of a 40% salt solution to produce a... (answered by lwsshak3)
How many liters of water must be added to 40 liters of a 30% salt solution to produce a... (answered by ikleyn)
40 liters of a 50% salt solution are reduced to a 40% salt solution. How much of salt... (answered by greenestamps,ikleyn)
How many liters of water must be evaporated from 20L of a 30% salt solution to produce a... (answered by Alan3354)
how much water must be evaporated from 32 ounces of a 4% salt solution to produce a 6%... (answered by Earlsdon)
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)