ASSESSMENT Flashcards
(6 cards)
1
Q
what are the steps to calculating the limited reactant?
A
- balance equation
- calculate moles
- ratio
- mass = mols x Mr
2
Q
what is theoretical yield?
A
the maximum amount of product that can be obtained in a chemical reaction.
3
Q
what is actual yield?
A
the amount of product actually obtained from a chemical reaction, never more than theoretical yield.
4
Q
formula for atom economy?
A
ae = Mr of desired product / Mr of all reactants
5
Q
how to work out theoretical yield?
A
- Mr of known and unknown mass.
- Work out number of moles of known mass.
3.Work out ratio of moles.
- Work out mass of unknown
6
Q
what is avogadros constant?
A
6.022 x10 to the power 23
