Question

Calculate the relative molecular mass of carbon dioxide (CO₂) .

• A. 38
• B. 44
• C. 46
• D. 42

Answer 1

The correct option is B

44

Molecular weight of (CO₂) = At. wt. of carbon + 2 (At. wt of oxygen)
= 12 + 2(16)
= 44
Answer: Molecular weight of (CO₂) = 44