Percentage Composition Flashcards
(3 cards)
1
Q
What is percentage composition
A
is the percentage, by mass, of each element in a compound.
2
Q
The LAW OF DEFINITE PROPORTIONS
A
No matter the source, or size of the sample he had, the percentage composition of the elements within the compound always remained the same!
3
Q
Two ways to solve for percent composition
A
Using lab data from an experiment analyzing a sample
As long as you have the chemical formula, you can use molar masses in the periodic table to solve for percent composition
