Factor-Label Method

Avagadro’s Number
The number of proptons in the nucleus of an atom
Conversion Unit Alaysis
Scientific Notation
The expression of numbers in form M*10^n where 1.00 less than and equal to M and 10 is greater. The integer is represented by n.
Molar Mass
The mass in grams of one mole of a substance
the Avogadro constant number of objects
Excess Reaction
the substance that is not completely used up in a reaction
Mole Ratio
a conversion factor that relates the amounts in moles of any two substances involved in a chemical reaction
Limiting Reaction
the reactant that limits the amounts of the other reactants that can combine – and the amount of product that can form – in a chemical reaction
Percent Compostion
calculations involving the mass relationships between reactants and products in a chemical reaction using a balanced equation

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