SOLUTION: how many milliliters of pure acid must be added to 150 milliliters of a 60% solution of add to obtain a 70% solution?
Algebra.Com
Question 885609: how many milliliters of pure acid must be added to 150 milliliters of a 60% solution of add to obtain a 70% solution?
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
how many milliliters of pure acid must be added to 150 milliliters of a 60% solution of add to obtain a 70% solution?
***
let x=amt of pure acid to add
..
100%x+60%*150=70%(x+150)
x+90=.70x+105
0.30x=15
x=50
amt of pure acid to add=50 mm
RELATED QUESTIONS
How many milliliters of pure acid must be added to 150 milliliters of a 70% solution of... (answered by robertb)
How many milliliters of pure acid must be added to 150 milliliters of a 30% acid solution (answered by stanbon)
How many milliliters of pure acid must be added to 150 milliliters of a 15% solution of... (answered by stanbon)
How many milliliters of a 40% acid solution must be added to 150 milliliters of a 65%... (answered by ptaylor)
How many milliliters of pure acid must be added to 100 milliliters of a 10% acid solution (answered by ptaylor)
Solve the problem by setting up and solving an appropriate algebraic equation.
How many... (answered by stanbon)
How many millimeters of pure acid must be added to 120 milliliters of a 30% acid solution (answered by checkley77)
How much pure hydrocloric acid must be added to 40 milliliters of a 50% solution to... (answered by Fombitz)
How much pure hydrocloric acid must be added to 40 milliliters of a 50% solution to... (answered by stanbon)