Unit 2: Percent Composition, Empirical and Molecular Formula Flashcards by Genesis Escalante | Brainscape

Q

What is the formula for percent composition?

A

mass of element/total mass of compound *100

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Q

What is the formula for percent to empirical formula?

A

percent/molar mass
Divide each by lowest
Get close to whole number

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Q

What is the formula for molecular formulas?

A

Molecular mass/empirical mass
Multiply each in empirical

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