Calculations Involving Masses Flashcards
1
Q
What is a composition?
A
The percentage by mass of each element in a compound
2
Q
What is the relative atomic mass?
A
The ratio of the average weight of one atom of an element to one twelfth of the mass of one atom of carbon-12.
3
Q
What is relative formula mass?
A
The average mass of the isotopes of that element weighted to take into account the abundance of each isotopes.
4
Q
What is empirical formula?
A
The empirical formula of a compound is the simplest whole number ratio of atoms of each element in the compound.
5
Q
What is molecular formula?
A
The molecular formula is an expression that defines the number of atoms of each element in one molecule of a compound.
