SOLUTION: A laboratory technician needs to make a 27-liter batch of a 40% acid solution. How can the laboratory technician combine a batch of an acid solution that is pure acid with another
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Question 739498: A laboratory technician needs to make a 27-liter batch of a 40% acid solution. How can the laboratory technician combine a batch of an acid solution that is pure acid with another that is 10% to get the desired concentration? Answer by josgarithmetic(39617) (Show Source):
You can put this solution on YOUR website! VARIABLES
u = volume of 10% acid. unknown.
v = volume of 100% acid. unknown.
L = 40%
H = 100%
T = target concentration of acid, 40%
M = 27 liters
EQUATIONS and
METHOD
Solve the system for u and v;
Substitute given values to compute u and v.