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Atoms and reactions

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Question 24

Which gaseous sample contains the greatest total number of atoms?

A

132.0 g of CO2132.0\text{ g of } \text{CO}_2132.0 g of CO2​

B

40.0 g of CH440.0\text{ g of } \text{CH}_440.0 g of CH4​

C

112.0 g of CO112.0\text{ g of } \text{CO}112.0 g of CO

D

56.0 g of N256.0\text{ g of } \text{N}_256.0 g of N2​

Markscheme

Atoms and reactions Questions

  1. A Level
  2. /Chemistry
  3. /Atoms and reactions

199 exam-style questions on OCR A A Level Chemistry Atoms and reactions, covering Atomic structure and isotopes, Compounds, formulae and equations, Amount of substance, Acids, and Redox. Each one has a worked solution and a mark scheme showing where the marks go.

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