Fill in the blank for A & B
Calibration Curve
Flask Number
Stock Solutions 0.0020M KSCN 0.2 M Fe(NO3)3 0.1M HNO3 Total Volume of Final Solution 50mL
1 0 10
2 1 10
3 2 10
4 3 10
5 4 10
6 5 10
Vol KSCN, mL Vol FeNO3, mL Vol 0.1M HNO3 Initial [SCN-], M Initial[FeNO3], M Equil [FeCN2+], M %T Absorbance
B.
0.024
0.1
0.153
0.254
0.368
0.436
Equilibrium Constant Determination
Stock Solutions 0.002 M Fe(NO3)3 0.0020 M KSCN 0.1 M HNO3 Total Volume of Final Solution 10mL
Test tube Number
2 5 1 4
3 5 2 3
4 5 3 2
5 5 4 1
6 5 5 0
Vol of FeNO3, mL Vol KSCN, mL Vol 0.1M HNO3 Initial [Fe3+], M Initial [SCN-], M Absorbance Equil [FeCN2+], M Equil [Fe3+], M Equil [SCN-], M Keq (show calculations)
0 5
0
0.138
0.263
0.395
0.482
0.57