How many O 2 molecules are present in 2.0 L of oxygen gas at 27 o C temperature and 3.0…

Chemistry · JEE Advanced · NTA Exams — States of Matter (Gases and Liquids)

1. 1.0 × 10³
2. 1.5 × 10²³
3. 1.5 × 10²⁴
4. 2.5 × 10²⁴

Answer

(B) 1.5 × 10 23

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