Given the following reaction of Fe3+ (aq) + SCN- (aq) ↔ Fe(SCN)2+, calculate the concentration (in Molarity) of SCN- knowing the standard volume of SCN- in mL is 1.0. Refer to the theory and procedure sections and report your answer without units in decimal notation (ie not scientific notation).
Volumes required for preparation of the Standard Fe(SCN)^2+ solutions
**The stoichiometry reaction ration is 1:1 for SCN- and Fe(SCN)2+
|
Standard
|
0.00150 M KSCN (mL)
|
0.050 M HNO3 (mL)
|
0.150 M Fe(NO3)3 (mL)
|
|
1
|
2.5
|
7.5
|
2.5
|
|
2
|
2.0
|
8.0
|
2.5
|
|
3
|
1.5
|
8.5
|
2.5
|
|
4
|
1.0
|
9.0
|
2.5
|
|
5
|
0.5
|
9.5
|
2.5
|