Quantitive Chem Flashcards
1
Q
MASS
MOLES. MR
A
Work out
2
Q
MOLES
CONC. VOL
A
Divide conc by 1000
3
Q
What is Mr
A
Chemical compounds, add up
4
Q
Number of particles
A
No of moles (n) x 6.022x1023
5
Q
Number of particles
A
Mass to Mole (DIVIDE MASS)
Mole to particles (TIMES AVAGADRO)
6
Q
The empirical formula is…
A
Simplest integer ratio
7
Q
Molecular formula
A
Find empirical
Find ratio
Times by empirical
8
Q
R= gas constant
A
8.3 J mol-1K-1
9
Q
A =
A
Pre-exponential
