Question

Use the information in the Table below to calculate the concentrations of [Fe3+], [SCN-] and [FeSCN2+].

Can you check to see if the concentrations in the first table is correct also?

Solution 0.05M 0.00200M 0.200M [Fe(NO3)3FeSCN2 [KSCN] HNO3 KSCN Fe(NOs)3 0.04 M 5.0 mL 2.0 x 10 M 1 17.5 mL 2.5mL 2.0 x 104 M

Fe*] [FeSCN*] Trial SCN] 1 2 3 5

Solution 0.05M 0.00200M 0.200M [Fe(NO3)3FeSCN2 [KSCN] HNO3 KSCN Fe(NOs)3 0.04 M 5.0 mL 2.0 x 10 M 1 17.5 mL 2.5mL 2.0 x 104 M 0.04 M 18.0 mL 2.0 mL 2 5.0 mL 1.6 x 104 M 1.6 x 104 M 0.04 M 1.5 mL 3 18.5 mL 5.0 mL 1.2 x 104 M 1.2 x 104 M 0.04 M 1.0 mL 5.0 mL 4 19.0 mL 8.0 x 105 M 8.0 x 105 M 0.04 M 0.5 mL 5.0 mL 5 19.5 mL 4.0 x 105 M 4.0 x 105 M LO
Fe*] [FeSCN*] Trial SCN] 1 2 3 5
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Answer #1

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