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Atoms and reactions

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Question 26

One molecule of a gas has a mass of 7.306 × 10-23 g.

What is a possible formula of the gas?

A

NH3\text{NH}_3NH3​

B

N2\text{N}_2N2​

C

O2\text{O}_2O2​

D

CO2\text{CO}_2CO2​

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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