percent compositions and empirical formulas Flashcards
1
Q
law of definite proportions
A
states that a compound contains its component elements in a fixed rato.
2
Q
percent composition
A
the relative amounts of the elements in the compound
3
Q
law of constant composition
A
states that any sample of the a compound will be made up of the same elements in the same ratio.
4
Q
empirical formula
A
give the lowest whole number ratio of the atoms or moles of elements in a compound.
5
Q
the molecular formula
A
gives the actual number of atoms in the structure of the molecules as opposed to just the ratio