A Chemist Needs 10 Liters of a 25% Acid Solution

question 17

Multiple Choice

A chemist needs 10 liters of a 25% acid solution.The solution is to be mixed from three solutions whose concentrations are 10%,20%,and 50%.How many liters of each solution will satisfy each condition? Use 2 liters of the 50% solution. ​

• A)7 L of 10%,7 L of 20%,2 L of 50%
• B)1 L of 10%,2 L of 20%,7 L of 50%
• C)1 L of 10%,7 L of 20%,1 L of 50%
• D)1 L of 10%,7 L of 20%,2 L of 50%
• E)7 L of 10%,1 L of 20%,2 L of 50%

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