MDCAT Chemistry MCQ #2819

What is the molarity of 12.0 M HCl diluted to 500.0 mL from 100.0 mL?

MDCAT Chemistry MCQ #2819

  1. Question 1

    Q1. What is the molarity of 12.0 M HCl diluted to 500.0 mL from 100.0 mL?

    • A) 2.40 M
    • B) 1.20 M
    • C) 6.00 M
    • D) 3.00 M

    Answer: 2.40 M

    Explanation: M₁V₁ = 12×0.1 = 1.2 → M₂ = 1.2/0.5 = 2.40 M. B uses 0.05 L instead of 0.5 L.