How Do You Calculate the Molarity of FeSCN2+ in a Complex Solution?

[bigzabuda]

Homework Statement

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The Attempt at a Solution

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Homework Statement

Homework Equations

Im having trouble with the last column in the first box. any help would be appreciated.

The Attempt at a Solution

 

[chemisttree]

Were you given the molar extinction coefficient for FeSCN⁺²?

 

[bigzabuda]

no, i was only given the information on the table.