54. Solving a chemistry problem
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8. Select the coefficients in the reaction equation (according to the number of the variant) by two methods: ion-electronic and balance. Specify the oxidizing agent and reducing agent.
3. PH3 KMnO4 H2SO4 → H3PO4 MnSO4 K2SO4 H2O
3. PH3 KMnO4 H2SO4 → H3PO4 MnSO4 K2SO4 H2O
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