SOLUTION: How many kilograms of pure salt must be added to 7 kg of a 30% salt solution in order to produce a 60% solution? Remember that pure salt is a 100% solution of salt.
Algebra ->
Graphs
-> SOLUTION: How many kilograms of pure salt must be added to 7 kg of a 30% salt solution in order to produce a 60% solution? Remember that pure salt is a 100% solution of salt.
Log On
Question 392088: How many kilograms of pure salt must be added to 7 kg of a 30% salt solution in order to produce a 60% solution? Remember that pure salt is a 100% solution of salt. Answer by mananth(16946) (Show Source):
You can put this solution on YOUR website! How many kilograms of pure salt must be added to 7 kg of a 30% salt solution in order to produce a 60% solution? Remember that pure salt is a 100% solution of salt.
salt 100 % x kgs
solution 7 kgs 30%
mix= 60% , (x+7) kgs
...
concentration equation
100x+7*30= 60(x+7)
100x+210=60x+420
100x-60x=420-210
40x=210
/40
x=5.25 kgs of salt required.
...
m.ananth@hotmail.ca
