JAMB Chemistry 2023 Objective — Question 30
Question 30 of 40 from the Joint Admissions and Matriculation Board (JAMB) Chemistry 2023 Objective paper, with the correct answer and a full explanation.
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How many atoms are present in 48 g of magnesium?
- A. 6.02 × 10²³
- B. 1.204 × 10²⁴Correct
- C. 3.01 × 10²³
- D. 1.51 × 10²³
Explanation
Moles of Mg = 48/24 = 2 mol. Atoms = 2 × 6.02 × 10²³ = 1.204 × 10²⁴.
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