The concentration and volume of reagents combined in each trial are listed in the table below:

Question

Trial 00020 M 00020 M H2O(mL)
Fe(NO3)3mL) KSCN (mL)
1 5 2 3
2 5 3 2
3 5 4 1
4 5 5 0

Initially (right after combining and before any reaction occurs) the concentration of SCN– in trial 1 is?

Answer 1

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