A chemist needs 20 liters of a 45% acid solution.The solution is to be mixed from three solutions whose acid concentrations are 10%, 20%, and 50%.How many liters of the 50% solution should the chemist use if trying to use as little as possible of the 50% solution?
A) liters
B) liters
C) liters
D) liters
E) liters

Question

A chemist needs 20 liters of a 45% acid solution.The solution is to be mixed from three solutions whose acid concentrations are 10%, 20%, and 50%.How many liters of the 50% solution should the chemist use if trying to use as little as possible of the 50% solution?
A) liters 
B) liters 
C) liters 
D) liters 
E) liters

Quizplus · Accepted Answer

The Answer of A chemist needs 20 liters of a 45% acid solution.The solution is to be mixed from three solutions whose acid concentrations are 10%, 20%, and 50%.How many liters of the 50% solution should the chemist use if trying to use as little as possible of the 50% solution?
A) liters 
B) liters 
C) liters 
D) liters 
E) liters

A Chemist Needs 20 Liters of a 45% Acid Solution