How do I calculate the inicial concentration of I and S2O8 2 in ea...

How do I calculate the inicial concentration ofâ€‹â€‹ I^- and S2O8^2- in each mixture, the reaction...

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Chemistry

How do I calculate the inicial concentration of^â€‹â€‹ I^-and S2O8^2- in each mixture, the reaction rate M/s, and the k value(rate constant) from the following data???? IODINE CLOCKREACTION
Run # 3% Starch 0.012 M Na2S2O3 mL 0.20 M KI mL 0.20 M KNO3 mL 0.20 M (NH4)2SO4 mL 0.20 M (NH4)2S2O8 mL Total mL
1 2 drops 0.200 0.800 0.200 0.400 2.00
2 2 drops 0.200 0.400 0.600 0.400 2.00
3 2 drops 0.200 0.200 0.800 0.400 2.00
4 2 drops 0.200 0.400 0.600 0.00 2.00
5 2 drops 0.200 0.400 0.600 0.600 2.00
Run#1-time was 41.45 secÂ Â Run#2-time was 120.48secÂ Â Run#3-231.64 secÂ Â Run#4-36.88secÂ Â Â Run#5-231.70 sec

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For Run1Initial moles of I added 02 08 016mmolesInital concentration of I 016 2 008 MInitial moles of S2O82 added 02 04 008 mmolesInital concentration of S2O82 008 2 004 MThe rates for the reactions See Answer

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Run #	3% Starch	0.012 M Na2S2O3 mL	0.20 M KI mL	0.20 M KNO3 mL	0.20 M (NH4)2SO4 mL	0.20 M (NH4)2S2O8 mL	Total mL
1	2 drops	0.200	0.800	0.200	0.400		2.00
2	2 drops	0.200	0.400	0.600	0.400		2.00
3	2 drops	0.200	0.200	0.800	0.400		2.00
4	2 drops	0.200	0.400	0.600	0.00		2.00
5	2 drops	0.200	0.400	0.600	0.600		2.00