Quantitative Chemistry (C4) Flashcards
1
Q
What’s the equation for gas volumes?
A
Moles = Volume / 24
2
Q
What’s the equation for concentration?
A
Concentration = Mass / Volume
3
Q
What is relative formula mass?
A
The sum of the relative atomic masses of the atoms in the formula
4
Q
What is relative formula mass?
A
The sum of all the relative atomic masses of the atoms in a formula
5
Q
How do you calculate moles?
A
Mass / Mr
6
Q
What is a limiting reactant?
A
The reactant that is fully used up
7
Q
What’s the equation for percentage yield?
A
Actual mass / Theoretical mass
8
Q
What’s the equation for atom economy?
A
Mr of desired product / Mr of total reactants
9
Q
A