English, asked by nermeen, 1 year ago

how i can determine % of hydrogen peroxide in a solution ?

Answers

Answered by AryaBansal
2
you can use titration with KI acording equation:

2KI + 2HCl + H2O2 = 2KCl + 2H2O + I2

Equation of reaction with KMnO4 is:

2KMnO4 + 3 H2SO4 + 5 H2O2 = K2SO4 + 2 MnSO4 + 8H2O + 5 O2

From amount of KI or KMnO4 you can calculate amount of hydrogen peroxide...


nermeen: do you know how i can calculate it practical ?
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