Topic 5 Formula, Equations + Amounts Flashcards
1
Q
What is a mole
A
Unit of amount of a substance
2
Q
Avogardo Constant
A
6.02 x 10^23
3
Q
Molar Mass
A
g/mol
4
Q
Empirical Formula
A
Simplest ratio of atoms present in compound
5
Q
Molecular Formula
A
Actual ratio of atoms present in molecule
6
Q
Ideal Gas Equation and units
A
Pv=nRT
T = Temperature (K)
P = Pressure (Pa)
V = Volume (m^3)
n = Number of moles
R = Constant (8.31)
7
Q
1 atm to Pa
A
101000 Pa
8
Q
0 Celcius to Kelvin
A
273 K
9
Q
Phenolphthalein change
A
colorless in acid, pink in alkali
10
Q
Methyl orange Change
A
Acid - Red,
Neutral - orange
Base - Yellow
11
Q
Atom Economy formula
A
Molar mass of desired/ total mass
