Three Solutions Contain a Certain Acid

question 23

Multiple Choice

Three solutions contain a certain acid. The first contains 10% acid, the second 30%, and the third 50%. A chemist wishes to use all three solutions to obtain a 10-liter mixture containing 24% acid. If the chemist wants to use twice as much of the 50% solution as of the 30% solution, how many liters of each solution should be used?

• A)2.8 of 10% , 2.4 of 30% , 4.8 of 50%
• B)5.8 of 10% , 2.8 of 30% , 1.4 of 50%
• C)8.8 of 10% , 0.4 of 30% , 0.8 of 50%
• D)4.8 of 10% , 2.4 of 30% , 2.8 of 50%
• E)5.8 of 10% , 1.4 of 30% , 2.8 of 50%

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Definitions:

Cash Payment

A transfer of cash from one party to another, often as payment for goods or services.

Bond Discount Amortization

This is the process of gradually expensing the difference between a bond's face value and its purchase price over its life, reflecting an increase in the bond's book value.

Straight-Line Amortization

A method of uniformly reducing the book value of an intangible asset over its useful life.

Interest Expense

The expenditure faced by a company for financing through borrowed resources during a defined time.