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MDCAT
Chemistry
2001

Chemistry · States of Matter - Gases, Liquids and Solids

Work through this past-paper style MCQ, then read the full explanation. Practice more chemistry questions on mMCQ with adaptive practice and topic analytics.

Question

The relative molecular mass of Carbon Dioxide is 44. What is the mass of 24dm3 of Carbon Dioxide at RTP?

Options
  • A

    44

  • B

    22

  • C

    11

  • D

    12

Explanation

The molar mass of CO2 is 44 g/mol

You have 24 dm3 of CO2 

Molar volume at RTP is 24 dm3.

So no of the mole is =V/Vm 

= 24/24 = 1 mole 

Mass of 1 mole is = 44 g/mol

The molar mass of CO2 is 44 g/mol

You have 24 dm3 of CO2 

Molar volume at RTP is 24 dm3.

So no of the mole is =V/Vm 

= 24/24 = 1 mole 

Mass of 1 mole is = 44 g/mol

The option is incorrect. The mass is 44 g/mol.

The option is incorrect. The mass is 44 g/mol.

The option is incorrect. The mass is 44g/mol.

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Tagged under Chemistry · States of Matter - Gases, Liquids and Solids · 2001