0
Q
Octane
A
C8H18
1
Q
Propane
A
C3H8
2
Q
Butane
A
C4H10
3
Q
Vinegar (acetic acid)
A
C2H4O2
4
Q
Baking soda (sodium hydrocarbonate)
A
NaHCO3
5
Q
Vinegar + baking soda
A
CO2 + H2O + NaC2H3O2
6
Q
Sulphuric acid
A
H2SO4
7
Q
Sulphurous acid
A
H2SO3
8
Q
Chloric acid
A
HClO3
9
Q
Nitric acid
A
HNO3
10
Q
Phosphorous acid
A
H3PO3
11
Q
Concentration (mol/L)
A
C = n / v
12
Q
Dilution
A
C1V1 = C2V2
13
Q
pH
A
-log [H*]
14
Q
Kelvin
A
*C + 273
15
Q
SATP
A
101.3 kPa
25*C (298 K)
24.8 L/mol
16
Q
Ideal gas law
A
PV = nRT
17
Q
Lewis structures
A
Ionic - electrons move
Covalent - electrons shared
18
Q
Solubility
A
Similar to water
Small size
Polar
19
Q
Empirical formula
A
- Percent composition to assume masses
- Convert mass to moles
- Divide by lowest mole number to get mole ratio
- Multiply or round to get whole number
20
Q
Molecular formula
A
- Use percent composition and molar mass to calculate masses of each element
- Convert mass to moles
- Number of moles represent the mole ratio of atoms in the formula
21
Q
Empirical formula chart
A
Percent composition Mass (assume 100g) Moles (n=M/m) Divide by lowest number of moles Mole ratio: round or multiply
22
Q
Molecular formula chart
A
Percent composition
Mass (based on molar mass)
Moles (n=M/m)
Mole ratio (round)
23
Q
Hydrochloride acid
A
HCl
24
Concentration of H+ from pH
10^(-pH)
