ZIMSEC O-Level Chemistry
Mole concept
Mole concept in ZIMSEC O-Level Chemistry: what the syllabus expects you to know, the learning objectives and how to practise.
Subtopic61 practice questions3 lessons
Overview
Form 3 (competency matrix 8.4.1): the mole, relative atomic and molecular masses, molar mass and concentration of solutions.
Learning objectives
What the syllabus expects you to be able to do.
- 7.1.5.1Describe the mole concept, relative atomic mass, relative molecular mass and molar mass.
- 7.1.5.2Calculate amounts in moles from masses, masses from amounts, relative molecular masses and concentrations of solutions.
Lessons
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Concentration of solutions
30 min
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Relative atomic, molecular and formula masses
30 min
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The mole and the Avogadro constant
35 min
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Sample question
A sample question on this topic. Answer it, check it, then read the worked answer.
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