A solution was prepared by adding 15mL of 0.129 M KI, 5mL of 0.1 M Na2S2O3, 1mL of starch solution, and 15mL of 0.125 M (NH4)2S2O8.

Calculate the concentration of (M) of I in the final mixture before the chemical reaction.

1 answer

Get the moles of I from KI. then, get the volume by adding the volumes of all the chem solutions added.
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