Reactions Flashcards
1
Q
Equation for percentage mass
A
AR x number of atoms in that element / Mr
2
Q
What is Avogadro’s constant
A
6.02 x 10^23
3
Q
What is the conservation of mass?
A
The mass of the products is equal to the mass of the reactants
4
Q
What is the limiting reactant
A
The reactants used up and prohibits more reaction
5
Q
What is the equation for the atom economy
A
MR of desired products/ Mr of all reactants
6
Q
Why do we want a high atom economy
A
Reduces waste
More sustainable
Less expensive
7
Q
What is the equation for percentage yield
A
Mass of product/ theoretical mass of product
8
Q
Why is percentage yield never 100%
A
Left in apparatus
Reversible reactions
Side reactions
