Chapter 7 Flashcards
0
Q
What is a molecular formula?
Also known as true
A
Shows the number and kinds of atoms in a molecule but not the arrangement of the atoms
1
Q
What is an empirical formula?
Also known as simple
A
A chemical formula that shows the composition of a compound in terms of the relative numbers and kinds of atoms in the simplest ratio.
To find EF from % composition
Convert % composition to mass composition
Convert mass to molar mass
Divide each by the smallest number if needed
2
Q
What is % composition?
A
The % by mass of each element in a compound
3
Q
Look up writing formulas
A
Look up naming formulas