Chapter 3 moles Flashcards
1
Q
What’s the formula calculating the number of moles
A
n= mass/RMM
2
Q
Molecular formula
A
Is the number of atoms of each element in a molecule
3
Q
Empirical formula
A
Is the simplest whole number ratio of atoms of each element in a compound
4
Q
Relative molecular mass
A
Compares the mass of a molecule with the mass of an atom of carbon-12
5
Q
Relative formula mass
A
compares the mass of a formula unit with the mass of atom of carbon-12
6
Q
Standard solution
A
Is a solution of a known concentration
7
Q
Atom economy of a chemical reaction
A
Is a measure of how well atoms have been utilised
