The amount of I, (aq) in a solution can be determined by titration with a solution containing a known concentration of S₂O3(aq) (thiosulfate ion). The determination is based on the net ionic equation 2S₂O3(aq) + (aq) → SO2 (aq) +31 (aq) Given that it requires 31.9 mL of 0.210 M Na₂S₂O, (aq) to titrate a 10.0 mL sample of 15 (aq), calculate the molarity of 15 (aq) in the solution. (5)= x10 TOOLS M

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The amount of I, (aq) in a solution can be determined by titration with a solution containing a known concentration of
S₂O3(aq) (thiosulfate ion). The determination is based on the net ionic equation
25,0 (aq) +(aq)-
SO (aq) + 31 (aq)
Given that it requires 31.9 mL of 0.210 M Na₂S₂O, (aq) to titrate a 10.0 mL. sample of I5 (aq), calculate the molarity of I5 (aq)
in the solution.
=
x10
TOOLS
-
I
M
Transcribed Image Text:The amount of I, (aq) in a solution can be determined by titration with a solution containing a known concentration of S₂O3(aq) (thiosulfate ion). The determination is based on the net ionic equation 25,0 (aq) +(aq)- SO (aq) + 31 (aq) Given that it requires 31.9 mL of 0.210 M Na₂S₂O, (aq) to titrate a 10.0 mL. sample of I5 (aq), calculate the molarity of I5 (aq) in the solution. = x10 TOOLS - I M
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