MDCAT Chemistry MCQ #2801

A solution contains 1.204 × 10²³ atoms of Mg. How many moles is this?

MDCAT Chemistry MCQ #2801

  1. Question 1

    Q1. A solution contains 1.204 × 10²³ atoms of Mg. How many moles is this?

    • A) 0.2 mol
    • B) 0.4 mol
    • C) 0.6 mol
    • D) 0.8 mol

    Answer: 0.2 mol

    Explanation: 1.204×10²³ / 6.022×10²³ = 0.2 mol. Option C doubles the value.