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What is the formula of this compound if: A compound is: 40.1% C 6.6% H 53.3% O What is the empirical formula of this compound? What is the molecular formula.

Published byBennett Gilbert Modified over 9 years ago

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Presentation on theme: "What is the formula of this compound if: A compound is: 40.1% C 6.6% H 53.3% O What is the empirical formula of this compound? What is the molecular formula."— Presentation transcript:

1 What is the formula of this compound if: A compound is: 40.1% C 6.6% H 53.3% O What is the empirical formula of this compound? What is the molecular formula of this compound if the MW (molecular weight) is experimentally determined to be 180g/mole

2 Definition of percent composition by mass

3 THE PATHWAY to find molecular formula from % comp by mass % comp Mass Mole Empirical formula Empirical mass Compare to molecular weight Molecular formula

4 Steps to find formula from %

5 What if I don’t get whole #’s

6 Empirical Formula to Molec Formula

7 Steps to calculate from mass

8 Steps to calculate from formula

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