other Flashcards
1
Q
density formula
A
mass / volume
2
Q
writing formulas for ionic compounds
A
-criss cross subscrpits
2
Q
% error formula
A
(experimental- accepted / accepted) x 100
3
Q
% yield formula
A
(experimental / theoretical) x 100
3
Q
how to name ionic compounds
A
- keep first element the same
- change ending to “ide”
- NO PREFIXES
4
Q
percent composition formula
A
(part / whole) x 100
5
Q
empirical formula steps
A
- % = grams
- divide each element by their molar mass
- divide all answers by smallest number
- round
- whole number = subscript
6
Q
empirical formula
A
subscripts are simplified
7
Q
molecular formula
A
subscripts are not simplified
8
Q
synthesis equation
A
X + Y —> XY
9
Q
molecular formula steps
A
- find empirical formula
- find molar mass
- divide given by molar mass
- multiply subscripts by answer
10
Q
decomposition equation
A
XY —> X + Y
11
Q
single replacement equation
A
A + BX —> B + AX
A and B are metals or hydrogen
X is anion
12
Q
double replacement equation
A
AX + BY —> BX + AY
A and B are cations
X and Y are anions
13
Q
A
