Quantitative ChemistryDiagram

Moles Formula Triangle

Part of Moles & Calculations · GCSE GCSE Chemistry revision

This diagram covers Moles Formula Triangle within Moles & Calculations for GCSE Chemistry. Revise Moles & Calculations in Quantitative Chemistry for GCSE Chemistry with 27 exam-style questions and 20 flashcards. This topic shows up very often in GCSE exams, so students should be able to explain it clearly, not just recognise the term. It is section 2 of 17 in this topic. Focus on the labels, the relationships between parts, and the explanation that turns the diagram into an exam-ready answer.

Topic position

Section 2 of 17

Practice

27 questions

Recall

20 flashcards

🧭 Moles Formula Triangle

Figure 1: The moles formula triangle — cover what you want to find

Keep building this topic

Read this section alongside the surrounding pages in Moles & Calculations. That gives you the full topic sequence instead of a single isolated revision point.

The Story of Counting the Uncountable Worked Calculation Flow The Mole Triangle — Your Calculator in Disguise How It Works: Avogadro's Number as a Bridge

Practice Questions for Moles & Calculations

One mole of any substance contains how many particles?

A. 6.02 × 10²³
B. 6.02 × 10²⁰
C. 3.01 × 10²³
D. 6.02 × 10¹⁸

1 markfoundation

Explain why the percentage yield of a reaction is never 100% in practice.

2 marksstandard

Quick Recall Flashcards

What is Avogadro's constant?

6.02 × 10²³ particles per mole This is the number of particles in one mole of any substance.

Define 'one mole'

The amount of substance containing 6.02 × 10²³ particles One mole of any element weighs exactly its Ar in grams

27 questions on Moles & Calculations — practise free

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The Story of Counting the Uncountable

Worked Calculation Flow