Experiment 12A – “Standardization of the NaOH Solution”
Molar mass of oxalic acid dihydrate (H2C2O4∙2H2O) = ____________ g/mol
Data and Results Table:
Trial Number
1
2
3
4
Mass of oxalic acid
dihydrate (H2C2O4∙2H2O)
Moles of oxalic acid
(H2C2O4)
Volume of NaOH(aq)
B
A
(2 digits after the decimal point!)
final buret reading
O
T
N
− initial buret reading
PY
= volume of NaOH (aq) added
NO
6
O
BO
TE
Moles of NaOH
!!
!
K
5
L
I
O
C
Molarity of NaOH(aq)
Runs used in averaging (x)
Average Molarity of NaOH(aq): _________________ [Note: You must have at least three values of molarity
!!
!
K
that agree within 0.005.Use only values with this level of
agreement in calculating the average.]
Calculations:
O
[Note: Place the calculations of molarity of the NaOH solution to FOUR DECIMAL PLACES for each run
below the Data and Results Table. Carefully number and clearly identify each calculation.]
Run 1:
TE
Run 2:
Run 3:
O
T
N
Run 4:
PY
Run 5:
Run 6:
BO
O
C
I
L
B
A
NO