Empirical Formula

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10 Terms

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FIrst step

Concert from grams to moles (all % is just same gram)

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Second step

Divide each mole by smallest mole

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If there not whole numbers

multiply all numbers by same number

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if ending in .5

Multiply by 2

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If ending in .33 or .66

Multiply by 3

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if ending by .25 or .75

Multiply by 4

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Next after you find empirical you find

Molecular Formula

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Find the of the empirical formula after finished

molar mass

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Then you

divide: molecular formula molar mass (given/) / empirical formula molar mass

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With that ME # ( molecular formula molar mass (given/) / empirical formula molar mass)

multiply each empirical subscript with that number