![Chemistry](/tpl/images/cats/himiya.png)
The amount of Iā3(aq)
in a solution can be determined by titration with a solution containing a known concentration of S2O2ā3(aq)
(thiosulfate ion). The determination is based on the net ionic equation
2S2O2ā3(aq)+Iā3(aq)ā¶S4O2ā6(aq)+3Iā( aq)
Given that it requires 35.1 mL
of 0.420 M Na2S2O3(aq)
to titrate a 25.0 mL
sample of Iā3(aq),
calculate the molarity of Iā3(aq)
in the solution.
![answer](/tpl/images/cats/otvet.png)
Answers: 1
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The amount of Iā3(aq)
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