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Conversion Factor
A ratio (or fraction) that represents the relationship between two different units.
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Formula Unit
The representative particle of a substance. It is the smallest unit of a substance that still retains that substance's properties and is the simplest way to write the formula of the substance without coefficients.
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Gram Formula Mass
The mass of one mole of compound.
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Gram Molecular Mass
The mass of one mole of a molecular substance.
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Mole
A measure of amount. 1 mole equals 6.02×1023 items of something. The number is so massive because moles are used to measure the amount of molecules, atoms, and other incredibly miniscule particles.
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Mole ratio
The ratio between any two constituents in chemical equation
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Standard Temperature and Pressure
The arbitrarily decided standard conditions at which experiments are done: 1 atm and 273 degrees Kelvin (0 degrees Celsius).
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General Conversion Factor Equation
Conversion Factor = 
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Converting from Formula Units to Moles
Moles = 
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Converting from Volume of a Gas to Moles
moles = 
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Converting from Mass to Moles
Moles = 
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Converting from Molality of a Solution to Moles
Moles = molality × kilograms of solution
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Converting from Molarity of a Solution to Moles
Moles = molarity × liters of solution
