silver iodide is very insoluable in water

label Chemistry
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Chemist know that by adding a very slight excess of silver nitrate to an iodide containing solution it is possible effectively to remove all the iodide on from the sample. first, writte a balanced net ionic equation for this reaction. then, assume that a sample has a mass of 2.375 grams contains 19.3% iodide ion by mass . then, calculate the mass of silver nitrate must be used to completely precipitate all the iodide from the sample.

Jul 30th, 2015

Thank you for the opportunity to help you with your question! the solution is as such:

AgNO3 + I- à AgI + NO3-

Now , from the above stochiometry we see that 169. 8  g of AgNO3 is required for 127 g of I-

So for the above sample we need 0.612 g of silver nitrate.


Please let me know if you need any clarification. I'm always happy to answer your questions.It was lovely helping you. in case of a wrong answer or doubt please discuss before taking any action, than you for your co operation.
Jul 30th, 2015

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