Oxygen gas having a mass of 1.6 g contains molecules numbering

A. 6.022 × 10²³

B. 3.011 × 10²³

C. 6.022 × 10²²

D. 3.011 × 10²²

✓

📝 Explanation

1.6 g O₂ = 0.05 mol. Molecules = 0.05 × 6.022 × 10²³ = 3.011 × 10²².

📖 Additional Information

6.022 × 10²³
3.011 × 10²³
6.022 × 10²²
3.011 × 10²²

1.6 g O₂ = 0.05 mol. Molecules = 0.05 × 6.022 × 10²³ = 3.011 × 10²².

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