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2189373
Quantative Chemistry
Description
Mind Map on Quantative Chemistry, created by ellenmorgan on 04/03/2015.
Mind Map by
ellenmorgan
, updated more than 1 year ago
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Created by
ellenmorgan
about 9 years ago
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Resource summary
Quantative Chemistry
Empirical Formula
1) write % mass next to each element in compound
2) Divide each mass % by the atomic mass for element
3) Divide both numbers by smallest number
Percentage Mass
1) calculate formula mass of compound
2) Divide atomic mass of element wanted by overall formula mass
3) Multiply by 100
Relative Formula mass
the amount of all elements in the compound
molecular masses added together
the atomic mass in g = 1 mole
1 mole of carbon= 12g
1 mole of calcium=40g
Percentage Yields
actual amount/theoretical amount x 100
predicting masses
balance equation
calculate molecular mole in masses
divide to make 1g
multiply to make amount needed
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