
8D - Empirical vs. Molecular Formulas
Flashcard
•
Chemistry
•
10th Grade
•
Practice Problem
•
Hard
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1.
FLASHCARD QUESTION
Front
What is the empirical formula of a compound?
Back
The empirical formula of a compound is the simplest whole-number ratio of the elements present in that compound.
2.
FLASHCARD QUESTION
Front
What is the molecular formula of a compound?
Back
The molecular formula of a compound shows the actual number of atoms of each element in a molecule of the compound.
3.
FLASHCARD QUESTION
Front
How do you determine the empirical formula from the molecular formula?
Back
To determine the empirical formula from the molecular formula, divide the subscripts in the molecular formula by their greatest common divisor.
4.
FLASHCARD QUESTION
Front
Given the molecular formula C2H6O, what is its empirical formula?
Back
The empirical formula of C2H6O is C2H6O, as it is already in the simplest form.
5.
FLASHCARD QUESTION
Front
What is the empirical formula of C4H6?
Back
The empirical formula of C4H6 is C2H3.
6.
FLASHCARD QUESTION
Front
How do you convert a molecular formula to an empirical formula?
Back
To convert a molecular formula to an empirical formula, find the greatest common factor of the subscripts and divide each subscript by that factor.
7.
FLASHCARD QUESTION
Front
What is the empirical formula of S2O8?
Back
The empirical formula of S2O8 is SO4.
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