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ZIMSEC A-Level Chemistry

6.1.1.3Empirical and molecular formulae

Empirical and molecular formulae in ZIMSEC A-Level Chemistry: what the syllabus expects you to know, the learning objectives and how to practise.
Subtopic25 practice questions1 lesson

Learning objectives

What the syllabus expects you to be able to do.

  1. 6.1.1.3.1Determine empirical and molecular formulae from combustion data or composition by mass.
  2. 6.1.1.3.2Construct balanced equations.

Lessons

  • Formulae, equations, and empirical and molecular formulae

    40 min

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Sample question

A sample question on this topic. Answer it, check it, then read the worked answer.

Empirical and molecular formulae: sample question

1 mark

What is the formula of ammonium phosphate?

Choose one answer

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