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Chemistry•Stoichiometry & Equilibrium

The mole concept

Senior High 6 questions
AI-drafted from platform data — specialist review scheduledBy DigiTransact Mastermind editorial team
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What the mole concept means

Moles, molar mass and simple stoichiometric calculations.

Worked example

One question from this skill's own question bank, shown with its full working.

Question

One mole of any substance contains how many particles?

  • 6.02 × 10²³
  • 3.01 × 10²³
  • 1.6 × 10⁻¹⁹
  • 100
Answer: 6.02 × 10²³

Working: Avogadro’s number, 6.02 × 10²³, is the number of particles per mole.

Curriculum and exam alignment

Ghana GES SHS syllabusWASSCE

Curriculum notes are a general guide to where this work normally sits. Always check the syllabus your school or examination body is currently using.

Related skills

Other Stoichiometry & Equilibrium skills in Chemistry, at the same point in the course.

Other Chemistry topics

SHS Atomic Structure & BondingSHS Acids, Salts & Organic ChemistrySHS ElectrochemistryChemistry: Atomic Structure & PeriodicityChemistry: Reactions & the MoleOrganic Chemistry Depth

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Exams that assess the mole concept

Senior High work on this skill feeds directly into these exam papers. Each page lists the Chemistry topics that appear on it.

WASSCEWASSCE practice questionsFree WASSCE practice across the subjects at this stage, with worked answers.GESGES practice questionsFree GES practice across the subjects at this stage, with worked answers.IGCSEIGCSE practice questionsListed as a related subject on the IGCSE practice page.

How this page was produced

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6 questions with a worked answer after every attempt, and a SmartScore that tracks how close you are to mastery.

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