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deep equilibrium question
hi
I'm really having trouble with this question, can anyone help?
When Ag+ ions re added to the red FeSCN2+ ions, the color disappears, and white precipitate of AgSCn forms. Explain why the Iron(III) can be used aws an indicator in a reaction to determine the concentration of an unknown solution of Ag+ by reacting it with a solution of KSCN of known concentration. (the system is at equilibrium as well)
thanks
I'm really having trouble with this question, can anyone help?
When Ag+ ions re added to the red FeSCN2+ ions, the color disappears, and white precipitate of AgSCn forms. Explain why the Iron(III) can be used aws an indicator in a reaction to determine the concentration of an unknown solution of Ag+ by reacting it with a solution of KSCN of known concentration. (the system is at equilibrium as well)
thanks
the colour of the iron complex won't appear until all the silver ions are used up (have reacted)
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