Pre-lab question 1: Standard solutions are made using the volumes and concentrations listed in the table below. Calculate the final concentration of SCN and FeSCN2+ in the solution. Report all calculations involving the NaSCN data to 3 significant figures. A B C D E F Volume 0.00200 M 0.25 mL 0.50 mL 0.75 mL 1.00 mL 1.25 mL 6.00 mL NaSCN added mL [Fe3+] 0.200M added Approximate [Fe3+] in solution Mol NaSCN added Mol SCN added [SCN] ion in standard solution [FeSCN²+] in standard solution Absorbance 0.043 0.087 0.125 0.173 0.211 1.050

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Pre-lab question 1: Standard solutions are made using the volumes and concentrations listed in the table
below. Calculate the final concentration of SCN and FeSCN2+ in the solution. Report all calculations
involving the NaSCN data to 3 significant figures.
A
B
C
D
E
F
Volume
0.00200 M
0.25 mL
0.50 mL
0.75 mL
1.00 mL
1.25 mL
6.00 mL
NaSCN added
mL [Fe3+]
0.200M
added
Approximate
[Fe3+] in
solution
Mol NaSCN
added
Mol SCN
added
[SCN] ion in
standard
solution
[FeSCN²+]
in standard
solution
Absorbance
0.043
0.087
0.125
0.173
0.211
1.050
Transcribed Image Text:Pre-lab question 1: Standard solutions are made using the volumes and concentrations listed in the table below. Calculate the final concentration of SCN and FeSCN2+ in the solution. Report all calculations involving the NaSCN data to 3 significant figures. A B C D E F Volume 0.00200 M 0.25 mL 0.50 mL 0.75 mL 1.00 mL 1.25 mL 6.00 mL NaSCN added mL [Fe3+] 0.200M added Approximate [Fe3+] in solution Mol NaSCN added Mol SCN added [SCN] ion in standard solution [FeSCN²+] in standard solution Absorbance 0.043 0.087 0.125 0.173 0.211 1.050
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