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Year 12 Chemistry definitions

Amount Code word for how many moles
Molar Mass The mass of one mole of a substance
Mole A unit of measure in Chemistry
Mass Amount of a substance measured in grams
Particle atoms, molecules or ions.
Atom Smallest part of an element
Ion A charged particle that has lost or gained electrons
Ratio A proportion between two things
Concentration The amount a substance in a particular volume. Symbol c, unit usually moles per litre
Volume The space something takes up
Solution a liquid such as water that has another substance dissolved in it.
Titration Mixing precise amounts of two solutions so that the concentration of one can be calculated if you know the concentration of the other.
Standard solution A solution with an exactly known concentration
Burette Equipment that can measure accurately variable volumes of a chemical solution.
Pipette Equipment that can measure accurately a set volume of a chemical solution.
Meniscus The curved surface formed by water in narrow containers
Aliquot A measured amount of a solution
Titre The minimum amount of a solution needed to complete a reaction
Concordant Data or results that agree closely with each other
Accurate Data or results that agree with the correct answer
Created by: Mike.Merrick



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