MDCAT Chemistry MCQ #2809

What is the molality of a solution with 12.0 g of urea (60.06 g/mol) in 250 g of water?

MDCAT Chemistry MCQ #2809

  1. Question 1

    Q1. What is the molality of a solution with 12.0 g of urea (60.06 g/mol) in 250 g of water?

    • A) 0.800 m
    • B) 0.400 m
    • C) 2.00 m
    • D) 1.60 m

    Answer: 0.800 m

    Explanation: molality = (12/60.06)/0.250 = 0.800 m. B divides by 0.500 kg instead.