25 Limiting and Excess Reactant, Theoretical and Percent Yield Formulas Flashcards
1
Q
used up in reaction
A
limiting
2
Q
determines amt. of product
A
limiting
3
Q
ensure that other reactant is used up
A
excess
4
Q
cheaper and easier to recycle
A
excess
5
Q
formula for mass to mass reaction
A
mass A x 1 mol A/mol mass A(g) - coeff B/coeff A - mol mass B(g)/1 mol B
6
Q
proportion of actual yield to theoretical yield
A
percent yield
7
Q
amt of product that would result if all limiting reactant reacted
A
theoretical yield
8
Q
max obtainable yield predicted by balanced chemical equation
A
theoretical yield
9
Q
amt of product obtained; less than theoretical yield
A
actual yield
10
Q
formula for percent yield
A
(actual yield/theoretical yield) x 100%
