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Complete and balance the following chemical equations: (i) KMnO4 + H2SO4 + H2C2O4 → ____ + ____ + ____ + _____ 

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Complete and balance the following chemical equations:

(i) KMnO4 + H2SO4 + H2C2O4 → ____ + ____ + ____ + _____ 

(ii) K2Cr2O7 + H2SO4 + KI → ____ + _____ + _____ + _____ 

(iii) K2Cr2O7 + H2SO4 + FeSO4 → _____ + _____ + _____ + _____

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(i) 2KMnO4 + 3H2SO4 + 5H2C2O4 → K2SO4 + 2MnSO4 + 8H2O + 10CO2

(ii) K2Cr2O7 + 7H2SO4 + 6KI → 4K2SO4 + Cr2(SO4)3 + 3I2 + 7H2O

(iii) K2Cr2O7 + 7H2SO4 + 6FeSO4 → 4K2SO4 + Cr2(SO4)3 + 3I2 + 7H2O

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