Question

State which has higher mass : 1 mole of CO2 or 1 mole of CO [C = 12, O = 16]

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Answer

Gram molecular mass of CO2

= 12 + (2 x 16)

= 12 + 32

= 44 g

1 mole of CO2 = 44 g

Gram molecular mass of CO

= 12 + 16

= 28 g

1 mole of CO = 28 g

Therefore, 1 mole of CO2 has higher mass.

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