Chapter 8: More Stoichiometry Flashcards
1
Q
What is an experimental error?
A
The difference between a quantities measured value and its true value 
2
Q
What is the equation for percent yield?
A
(actual yield/theoretical yield)•100%
3
Q
What is an empirical formula?
A
A formula that shows the simplest ratio of elements present in a compound 
4
Q
What is the molecular formula?
A
A formula that shows the actual number of each element in a compound
5
Q
What is a polyatomic ion?
A
An ion of two or more atoms that are covalently bonded to one another
6
Q
What are the names and ions of common polyatomic ions?
A
Ammonium NH4+; Hydronium H3O+; Carbonate CO3+; Hydroxide OH-; Nitrate NO3-; Sulfate SO4 2-; Phosphate PO4 3-
