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Chemistry•Chemistry: Reactions & the Mole

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

Perform simple calculations using moles and relative masses.

Before you start

Not confident yet? Work through Acids, bases & salts first.

Worked example

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

Question

The number of particles in one mole (Avogadro’s number) is approximately:

  • 6.0 × 10²³
  • 3.0 × 10⁸
  • 1.6 × 10⁻¹⁹
  • 9.8
Answer: 6.0 × 10²³

Working: One mole contains about 6.0 × 10²³ particles.

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 Chemistry: Reactions & the Mole skills in Chemistry, at the same point in the course.

Other Chemistry topics

SHS Acids, Salts & Organic ChemistryStoichiometry & EquilibriumSHS ElectrochemistryChemistry: Atomic Structure & PeriodicityOrganic Chemistry DepthEnergetics & Reaction Rates

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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

This text was drafted with AI assistance from the questions and topics already stored on the platform. A subject-specialist review is scheduled but has not yet been recorded, so we do not claim it here.

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Practise the mole concept

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

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