11/3 notes Flashcards
1
Q
why must equations be balanced
A
law of conservation of matter
2
Q
law of conservation of matter
A
matter can neither be created nor destroyed only change forms
3
Q
steps when doing stoichometry equation
A
1)write equation
2)balance it
3) find #mol
4)find limiting reactants
4
Q
percent yield
A
actual amount/ideal amount
5
Q
what do all calculations in stoichiometry involve
A
limiting reactant
6
Q
why are percent yields often lower than ideal yield
A
-measuremnet error
-side reactions
-unreacted reactants
