chemical calculations
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9 Terms
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balancing an equation
same number of elements on each side
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relative formula mass
relative atomic mass of elements x number of particles
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mass of one mole of a substance is equal to…
it’s relative formula mass
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moles formula
mol = mass / Mr
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calculating reacting masses
write: mass, Mr, moles, ratio and calculate
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percentage yield
(amount of product produced / maximum amount of produce possible) x 100
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empirical formula
write: symbol, mass, Ar, moles, simple molar ratio, empirical formula
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concentration formula
concentration = moles / volume
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volume formula
volume = mol x 24
Note 
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