The mole connects a balance to particles
Calculate a compound's molar mass, convert between grams and moles with units and distinguish amount from a particle count.
Open the complete free lessonChemistry → Senior Secondary / GCSE / IGCSE / HS → Mole Concept & Stoichiometry
Relative mass, molar mass and mass-mole-particle conversions
FREE LESSON AVAILABLEMove among mass, moles and particle count while preserving formula composition and units
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- JEM-CH-C06-001
- relative masses
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Related topics and learning continuation.
The mole and Avogadro constant
Use the mole as the bridge between microscopic entity count and macroscopic amount
Stoichiometric reacting masses and mole ratios
Use a balanced equation as a mole-ratio map to calculate reacting/product masses and amounts
Gas volumes and gaseous stoichiometry
Relate gas volume to amount at explicitly stated conditions and combine with balanced-equation ratios
Empirical formula, molecular formula and percentage composition
Infer simplest/molecular composition from mass or percentage evidence and connect formula to quantitative composition
Limiting reactants and excess
Identify the reactant that limits product formation using stoichiometric comparison and quantify excess/product
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