MDCAT Chemistry MCQ #2816

How many molecules are in 0.500 moles of NH₃? (Avogadro’s number = 6.022×10²³)

MDCAT Chemistry MCQ #2816

  1. Question 1

    Q1. How many molecules are in 0.500 moles of NH₃? (Avogadro’s number = 6.022×10²³)

    • A) 3.01×10²³
    • B) 6.02×10²³
    • C) 1.20×10²⁴
    • D) 9.03×10²³

    Answer: 3.01×10²³

    Explanation: 0.500×6.022×10²³ = 3.01×10²³. C uses 2×Avogadro’s number.