MDCAT Chemistry MCQ #2795

What is the molarity of a 30 mL HCl solution that neutralizes 20 mL of 0.15 M NaOH?

MDCAT Chemistry MCQ #2795

  1. Question 1

    Q1. What is the molarity of a 30 mL HCl solution that neutralizes 20 mL of 0.15 M NaOH?

    • A) 0.1 M
    • B) 0.2 M
    • C) 0.3 M
    • D) 0.4 M

    Answer: 0.1 M

    Explanation: M₁V₁ = M₂V₂ → M₁ = (0.15×20)/30 = 0.1 M. Option C swaps volumes.