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.

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