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I have to design an ordered list that tests to see if ions are in solution...

I have to design an ordered list that tests to see if ions are in solution or not. My ions are Ba+2, Pb+2, Zn+2 and my reagents are KI, Na2CO3, Na2SO4. I don't know how to order these properly on this chart. I think I start by adding KI and that shows me that a Ba+2 cation is present but I am really not sure. Can anyone help and or please explain the method behind the order of this chart?

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Answer #1

Solution

The reagent order are arranged based on their solubility strength and electron transfer rate, for example in the given data Barium gains electrons from Iodine in the electrolyte solution. The methodology helps to identify the ion presentation by adding reagent, while preparing the chart the first rule is to order the ionic solution in increasing order of solubility.

In the given data the order is rearranged as Pb2+, Zn2+ , Ba2+ by this the chart are prepared one of the representation is as follows,

Ions Reagents
Pb2+ Na2CO3
Zn2+ Na2SO4
Ba2+ KI

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