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Atoms and reactions

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Question 36

Which sample contains the greatest number of molecules?

A

110.0 g CO2110.0\text{ g }\text{CO}_2110.0 g CO2​

B

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

C

160.0 g O2160.0\text{ g }\text{O}_2160.0 g O2​

D

102.0 g NH3102.0\text{ g }\text{NH}_3102.0 g NH3​

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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