关注微信公众号《课帮忙》查题 关注微信公众号《课帮忙》查题 关注微信公众号《课帮忙》查题 关注微信公众号《课帮忙》查题 关注微信公众号《课帮忙》查题 关注微信公众号《课帮忙》查题 公告:维护QQ群:833371870,欢迎加入!公告:维护QQ群:833371870,欢迎加入!公告:维护QQ群:833371870,欢迎加入! 2022-06-05 When nickel ion in the nickel plating solution is titrated with the EDTA standard solution, the purple color of the end point is the color of the complex formed by the murexide indicator and the nickel ion. When nickel ion in the nickel plating solution is titrated with the EDTA standard solution, the purple color of the end point is the color of the complex formed by the murexide indicator and the nickel ion. 答案: 查看 举一反三 The hydrated nickel(II) ion is A: blue B: yellow C: orange D: colourless E: green nickel的意思是___________. The core is composed of pure nickel and iron. 中国大学MOOC: A nickel in the shoe means that _________. In c (H2C2O4) = 1.0 mol/L H2C2O4 solution, the hydrogen ion concentration is 2.0 mol / L.