Chemistry, 17.06.2021 18:10 andreanelson5788
Cho biết các số liệu sau ở 25oC: Eo(Au+/Au) = 1,7V; Eo(O2/H2O) = 1,23V; hằng số điện li tổng của ion phức (Au[CN]2) - là 7,04.10-40. Chứng minh rằng khi có mặt ion CN - trong dung dịch kiềm thì Eo([Au(CN) -/Au) nhỏ hơn Eo(O2/OH -), nghĩa là oxi oxi hoá được vàng.
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Cho biết các số liệu sau ở 25oC: Eo(Au+/Au) = 1,7V; Eo(O2/H2O) = 1,23V; hằng số điện li tổng của ion...
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