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Question

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


A

38

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B

44

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C

46

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D

42

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Solution

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


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