NSSCAS Chemistry (8224) Practice Questions - Namibia Senior Secondary Certificate Advanced Subsidiary Level Chemistry (Syllabus 8224) Exam

The Avogadro constant L is approximately 6.02 × 10²³ mol⁻¹. How many molecules are in 0.250 mol of CO₂?

1.505 × 10²³ 2.408 × 10²³ 6.02 × 10²³ 2.408 × 10²⁴

Correct Answer:

1.505 × 10²³

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