stoneemma201 stoneemma201

09-12-2016
Chemistry

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How do I calculate the molecular formula for a compound with an empirical formula CH2O and a molar mass of 90 g/mol?

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Marykoss Marykoss

09-12-2016

CH2O = 12 + 2 + 16 = 30 g/mol
90 g/mol / 30 g/mol = 3
3 x (CH2O) = C3H6O3

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