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I would guess that this is so because of potassium's mass, being much more than, sodium's molar mass per ion. So can sodium iodide be used instead of potassium iodide? Perhaps, but maybe not to the same level effectiveness. Potassium molecules have been known to dissolve better than sodium molecules. One example is Potassium Chloride and Sodium Chloride thanks

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Q: Why is potassium iodide used in iodometric titrations instead of sodium iodide?
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Related questions

Does the amount of potassium iodide added to the potassium iodate solution affect the amounts of iodine liberated in iodometric titration?

Not usually. Potassium iodide is usually present in a large excess. It is usually the potassium iodate that is the limiting ingredient.


What is the name of the binary compound formed from pottasium and iodine?

KI or potassium iodide. See the related link for more information.


Is potassium iodide adhesive?

Potassium iodide is not an adhesive.


What is a potassium iodide?

Potassium iodide is KI (K+ and I-)


What is a compound for KI or potassium iodide?

Potassium iodide = KI


What is the chemical name of potassium iodide?

The same, Potassium iodide


What is the name of the compound KI?

The compound is called Potassium Iodide (-ide.. not -ine).


Diff between gram's iodine and iodine?

iodine& grams iodine Gram's iodine is a solution of 2% iodine and 3% potassium iodide in 70% ethanol. Gram's iodine is also used as a forensic toxicology reagent for the detection of alkaloids, as a source of iodine for iodometric titrations, as an indicator for the presence of starch, and as a general laboratory source of iodine/iodide. This solution is laboratory grade, and not for medicinal use. Iodine is non metallic,dark gray,lustrous,solid element


What are the element or compound for potassium iodide?

Potassium iodide (KI) contain iodine and potassium.


Is potassium iodide ionic or covalant?

Potassium iodide is ionic.


What is the chemical name for KI?

KI is potassium iodide.


Is potassium iodide a molecular compound?

No, like all potassium compounds potassium iodide is ionic.