8D - Empirical vs. Molecular Formulas
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•
Chemistry
•
10th Grade
•
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 C4H6, what is the empirical formula?
Back
The empirical formula is C2H3.
5.
FLASHCARD QUESTION
Front
What is the empirical formula of P2O6?
Back
The empirical formula is PO3.
6.
FLASHCARD QUESTION
Front
What is the relationship between empirical and molecular formulas?
Back
The molecular formula is a multiple of the empirical formula.
7.
FLASHCARD QUESTION
Front
How can you convert a molecular formula to an empirical formula?
Back
By finding the greatest common divisor of the subscripts in the molecular formula and dividing each subscript by that number.
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