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hoannguyenoond
2 năm trước
Mn giúp em với 😥 Dung dịch A chứa 0,02 mol CuSO₄ và 0,015 mol FeCl₃. Dung dịch B chứa 0,035 mol Ba(OH)₂ và 0,02 mol KOH. Trộn dung dịch A vào B. Tính khối lượng kết tủa thu được? ( Fe(OH)₃↓, BaSO₄↓, Cu(OH)₂↓ )
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