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S2O8^-2 + 3I- ---> 2SO4 + I3- [I-]Molarity | t (seconds) 0.072 0 0.057 400 0.046...

S2O8^-2 + 3I- ---> 2SO4 + I3-

[I-]Molarity | t (seconds)

0.072 0
0.057 400
0.046 800
0.037 1200
0.029 1600

Initial concentrations: [S2O8^-2] = 0.05 M, [I-]=0.072M

What is the concentration of S2O8^-2 at 800seconds?

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