Срочно, помогите уравнять!!! PH³ + HBrO³= H³PO⁴ + Br² + H²O
KMnO⁴ + HBr = KBr + MnBr² + Br² + H²O
KCrO² + Br² + KOH = K²CrO⁴ + KBr + H²O
KMnO⁴ + HBr = KBr + MnBr² + Br² + H²O
KCrO² + Br² + KOH = K²CrO⁴ + KBr + H²O
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Answers & Comments
2KMnO₄ + 16HBr = 2KBr + 2MnBr₂ + 5Br₂ + 8H₂O
2KCrO₂ + 3Br₂ + 8KOH = 2K₂CrO₄ + 6KBr + 4H₂O