SOLUTION: How many kg of water must be evaporated from 100 kg of a 6% salt solution to obtain a 20% salt solution?
Algebra.Com
Question 697033: How many kg of water must be evaporated from 100 kg of a 6% salt solution to obtain a 20% salt solution?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
How many kg of water must be evaporated from 100 kg of a 6% salt solution to obtain a 20% salt solution?
------
Equation:
water - water = water
----
0.94*100 - 1*x = 0.80(100 - x)
-----
94*100 - 100x = 80*100 - 80x
------
-20x = -14*100
x = 70 kg (amt. of water to evaporate)
==============
Cheers,
Stan H.
==============
RELATED QUESTIONS
How many kilograms of water must be evaporated from 50 kg of a 10% salt solution to... (answered by stanbon,ankor@dixie-net.com)
How many kilograns of water must be evaporated from 50 kg of a 10% salt solution to... (answered by nerdybill)
how many kilograms of water must be evaporated from 40 kg of a 10% salt solution to... (answered by palanisamy)
How many kilograms of water must be evaporated from 8 kg of a 25% salt solution to... (answered by scott8148)
How many kg of water must be evaporated from 50kg of a 10% salt solution to obtain a 15%... (answered by stanbon)
How many kilograms of water must be evaporated from 10 kg of a 40% salt solution to... (answered by checkley75)
how much water must be evaporated from a 10 kg solution which has 4% salt to make a... (answered by ankor@dixie-net.com)
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 many kg of salt must be added to a solution containing 5 kg of salt & 35 kg water so... (answered by josmiceli)