Equations Flashcards
1
Q
How to find out the %mass of an element in a compound
A
Ar of element/ Mr of the compound x 100
2
Q
Equation linking Mr, mass and moles
A
Mass= no. moles x Mr
3
Q
What is the avogadro constant
A
6.02 x 10^23
4
Q
Equation linking mass, volume and Mr
A
Mass= volume x Mr
5
Q
Equation linking concentration, mass, and volume
A
Mass= concentration x volume
6
Q
Equation linking no. Moles, volume and mass
A
Mass= no. moles x volume
7
Q
Equation linking no. Moles, volume and conc
A
No. moles= concentration x volume
8
Q
Equation for atom economy
A
Mr for products/ Mr for reactants x 100
9
Q
Percentage yield equation
A
mass of product actually made/
theoretical mass. X100