A Chemist Needs 8 Liters of a 45% Acid Solution $1 \frac { 1 } { 3 }$

question 23

Multiple Choice

A chemist needs 8 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) \(1 \frac { 1 } { 3 }\) liters
• B) \(3 \frac { 2 } { 3 }\) liters
• C) \(6 \frac { 2 } { 3 }\) liters
• D) \(2 \frac { 1 } { 3 }\) liters
• E) \(2 \frac { 2 } { 3 }\) liters

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