ICSE Class 10 Chemistry Question 24 of 25

Gay Lussac's Law — Avogadro's Law — Mole Concept — Question 24

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Question

Question 24

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

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.