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Chemistry, 11.10.2019 00:00 jackfrost5
Astandard solution of fescn2+ is prepared by combining 9.0 ml of 0.20 m fe(no3)3 with 1.0 ml of 0.0020 m kscn . the standard solution had an absorbance of 0.480 . fe3+(aq)+scn−(aq)↽−−⇀fescn2+(aq) a trial solution was made in a similar manner, but with a more dilute fe(no3)3 reagent. the initial scn− concentration, immediately after mixing, was 0.00050 m . this trial solution had absorbance of 0.220 . what is the equilibrium concentration of scn− in the trial solution?
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Astandard solution of fescn2+ is prepared by combining 9.0 ml of 0.20 m fe(no3)3 with 1.0 ml of 0.00...
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