BRAINCAKEReacting Masses
A balanced equation gives the reacting ratio of moles of reactants and products or stoichiometry of a reaction. In a reaction, mass is conserved.
In the reaction
4 Al (s) + 3 O2 (g) → 2 Al2O3 (s)
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Key terms in this lesson
- Mole
- The amount of substance that contains as many particles as there are atoms in exactly 12g of carbon-12.
- Molar mass
- The mass of one mole of a substance, in grams per mole.
More in Amount of Substance
- Hydrated Salts
- Solutions and Concentrations
- Standard Solutions
- Molar Gas Volume
- Ideal Gas Equation
- Limiting Reagent
- Percentage Yield
- Atom Economy
All 16 lessons in Amount of Substance · All OCR AS-level Chemistry topics