- #1
mousesgr
- 31
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Standardization of H2O2 Solution
H2O2 (aq) + 2 I-(aq) + 2H+(aq)------> I2 (aq) + 2 H2O(l)
2 S2O32-(aq) + I2 (aq) à 2 I-(aq) + S4O62-(aq)
i want to know
1.why the volume of S2O32- used in trial 2 is more than trial 1?
2.What is the use of Na2S2O3 (aq) in Part I?
H2O2 (aq) + 2 I-(aq) + 2H+(aq)------> I2 (aq) + 2 H2O(l)
2 S2O32-(aq) + I2 (aq) à 2 I-(aq) + S4O62-(aq)
i want to know
1.why the volume of S2O32- used in trial 2 is more than trial 1?
2.What is the use of Na2S2O3 (aq) in Part I?