unit 3 Flashcards
1
Q
avodragos constant
A
6.02 x 10^23
2
Q
volume symbol
A
V
3
Q
amount of a substance in mols symbol
A
n
4
Q
avodragos constant symbol
A
NA
5
Q
avodragos constant is the number of atoms in exactly
A
12.0 g of the carbon-12 isotope
6
Q
average atomic mass of an atom unit
A
u/atom
7
Q
molar mass symbol
A
M
8
Q
molar mass unit
A
g/mol
9
Q
combustion analysis
A
burn and sniff analytical tool to help identify unknown organic compounds
10
Q
law of definite proportions
A
elements in a compound are always present in the same proportion by mass
11
Q
percentage composition
A
percentage mass of each element in a compound
