SOLUTION: How much 15% acid must you add to 4 liters of 40% acid to obtain a mixture that is 25% acid?
Algebra.Com
Question 198989: How much 15% acid must you add to 4 liters of 40% acid to obtain a mixture that is 25% acid?
Answer by RAY100(1637) (Show Source): You can put this solution on YOUR website!
Let x = amt of acid
.
.4(4) + .15x = .25(4+x)
.
1.6 + .15 x = 1 + .25x
.
.6 = .1x
.
x= 6 liters
.
check
.
.4(4) + .15(6) = .25(4 + 6)
1.6 + .9 = 2.5 ,,,,,ok
RELATED QUESTIONS
A chemist wants to create a solution that is 24% acid. How many liters of a 40% acid... (answered by josgarithmetic)
A chemist wants to create a solution that is 24% acid. How many liters of a 40% acid... (answered by richwmiller)
how many liters of a 5% acid solution should be mixed with 40 liters of 10% acid solution (answered by ankor@dixie-net.com)
If you wish to increase the percentage of acid in 50 mL of a 15% acid solution to 25%... (answered by josmiceli)
how many liters of 25 percent acid solution must be added to 80 liters of 40 percent... (answered by stanbon)
how many liters of 40% acid should be combined with a 20 liter mixture that is 15% acid... (answered by josgarithmetic)
How much pure aci must be added to 2 liters of a 10% solution of acid to obtain a mixture (answered by stanbon,Janna Dominique Marasigan)
how many liters of 5% acid should be combined with a 15-liter mixture that is 30% acid... (answered by richwmiller)
how many liters of a 90% acid solution must be added to 6 liters of a 15% acid solution... (answered by adamchapman)