MDCAT Chemistry MCQ #4302

A 5 L container holds a mixture of 1 mole of He and 2 moles of Ar at 27°C. What is the total pressure?

MDCAT Chemistry MCQ #4302

  1. Question 1

    Q1. A 5 L container holds a mixture of 1 mole of He and 2 moles of Ar at 27°C. What is the total pressure?

    • A) 10 atm
    • B) 12.3 atm
    • C) 14.7 atm
    • D) 20 atm

    Answer: 14.7 atm

    Explanation: Total moles = 3, PV = nRT gives P = 14.7 atm. Option B is incorrect due to wrong calculation.