Number of molecules in 44 g of CO₂ is:

Practice MCQ for SSC, UPSC, RRB Exams

A. 6.022 × 10²³ A.
B. 3.011 × 10²³ B.
C. 1.2044 × 10²⁴ C.
D. 2 D.

Correct Answer: A সঠিক উত্তর: A

Explanation ব্যাখ্যা

Molar mass of CO₂ = 44 g/mol → 1 mole of CO₂ → 6.022 × 10²³ molecules.

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