Mix a Solution That Is 70% Alcohol with a Solution

question 102

Multiple Choice

Mix a solution that is 70% alcohol with a solution that is 10% alcohol to make 240 mL of a solution that is 20% alcohol. How much of each solution should you use?

• A) So, mix 120 mL of the 70% solution and 120 mL of the 10% solution.
• B) So, mix 30 mL of the 70% solution and 210 mL of the 10% solution.
• C) So, mix 40 mL of the 70% solution and 200 mL of the 10% solution.
• D) So, mix 210 mL of the 70% solution and 30 mL of the 10% solution.
• E) So, mix 200 mL of the 70% solution and 40 mL of the 10% solution.

---

Definitions:

Muscle Relaxation

A technique or process aimed at reducing tension in the muscles through various methods, often used to reduce stress or alleviate physical discomfort.

Joseph Wolpe

A psychiatrist known for developing systematic desensitization, a method used to treat phobias and anxiety disorders.

Systematic Desensitization

A behavioral therapy technique used to reduce phobic and anxiety responses by gradually exposing the subject to the anxiety-causing object or situation while in a relaxed state.

Muscle Relaxation

A technique or process that aims to reduce tension in the muscles, often used in stress management, therapy, and relaxation exercises.