[GIẢI NHANH VDC 12] - SKILL TÍNH NHANH SỐ GIỜ MÀ PIN GALVANI Zn-Cu CÓ THỂ DÙNG ĐỂ THẮP SÁNG BÓNG ĐÈN Một pin Galvani có cấu tạo như sau: Trong đó, màng bán thấm chỉ cho nước và các anion đi qua. Biết rằng thể tích của các dung dịch đều là 0,50 L và nồng độ chất tan trong dung dịch là 1,00 M. Cho E°Zn2 /Zn = -0,763V; E°Cu2 /Cu = 0,340V. a) Sức điện động chuẩn của pin là 1,103V. b) Nồng độ SO42- (aq) trong dung dịch ZnSO4 tăng và trong dung dịch CuSO4 giảm dần. c) Sử dụng một pin Galvani với điện
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