MDCAT Chemistry MCQ #133

A 5% solution of ethanol (C2H5OH) in water has a pH of 8. What is the concentration of ethanol in the solution (in %)?

MDCAT Chemistry MCQ #133

  1. Question 1

    Q1. A 5% solution of ethanol (C2H5OH) in water has a pH of 8. What is the concentration of ethanol in the solution (in %)?

    • A) 1%
    • B) 2%
    • C) 5%
    • D) 10%

    Answer: 2%

    Explanation: The pH of the solution is 8, which is slightly alkaline, indicating that the concentration of ethanol is relatively low in this case.