SOLUTION: A photographer wants to mix 3 liters of a 4% acetic acid solution with a 15% solution to get a 9% solution. how many liters of 15% solution should be used to obtain the 9% solution

Question 792400: A photographer wants to mix 3 liters of a 4% acetic acid solution with a 15% solution to get a 9% solution. how many liters of 15% solution should be used to obtain the 9% solution?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
A photographer wants to mix 3 liters of a 4% acetic acid solution with a 15% solution to get a 9% solution. how many liters of 15% solution should be used to obtain the 9% solution?
---------
Equation:
acid + acid = acid
0.04*3 + 0.15x = 0.09(3+x)
=================
4*3 + 15x = 9*3 + 9x
6x = 5*3
x = (1/2)5 = 2.5 liters (amt. of 15% solution needed)
===========
Cheers,
Stan H.
=================
RELATED QUESTIONS
a photographer wants to mix 3 liters of a 4% acetic acid solution with a 15% solution to... (answered by stanbon)

A photographer wants to mix 14 liters of a 7% acetic acid solution with a 12% solution to (answered by josgarithmetic)

A photographer wants to mix 16 liters of a 7% acetic acid solution with a 12% solution to (answered by josgarithmetic,ikleyn)

Photographic Chemicals. A Photographer wishes to mix 2 liters of 5% acetic acid solution... (answered by josgarithmetic)

A photographer wishes to mix 5 liters of 4% acetic acid solution with a 8% solution to... (answered by stanbon)

A photographer wants to mix 4 liters of 3% solution with a 10% solution to get a 7%... (answered by richwmiller)

A photographer wishes to mix 2 lIters of a 5% acetic acid solution with a 10% solution... (answered by josgarithmetic)

A photographer wishes to mix 2 liters of a 5% acetic acid solution with a 10% solution to (answered by ankor@dixie-net.com)

A photographer wishes to mix 2 liters of a 5% acetic acid solution with a 10% solution to (answered by checkley77)