皮皮学，免费搜题
登录
搜题
【简答题】
(18分)甲、电极材料都是铁棒与碳棒，请回答下列问题： (1)若两为CuSO 4 溶液，反应一段时间后： ①有红色物质析出的是甲的________棒，中的________棒。 ②中阳极的电极反应式是_______________________________________________ _ (2)若两为饱和NaCl溶液： ①中碳极上电极反应属于____________(填“氧化反应”或“还原反应”)，写出中该电极反应的离子方程式_______________________________________。 ②甲碳极上电极反应式是_____________，检验该负极反应产物的方法是_____________________________用离子方程式表示_______________________________ ③若转移0.02 mol e － 后停止实验，溶液体积是200 mL，则溶液混匀后的pH＝________。
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】____ She enjoyed perfect health as a child.
【单选题】Why do Chinese parents demand perfect grades from their child?
A.
Because they believe that their child can get them.
B.
Because they respect their child self-esteem.
C.
Because they do not want their child feel inferior.
D.
Because they assume that their child does not work hard.
【简答题】中国在90多年的奋斗、创造、积累过程中,形成了两大理论成果,即思想和()。
【简答题】完形填空。 'We expected our first child to be perfect.' Most parents have thought so. I know that' s what I 1 with our oldest son, Joe.He would be perfect.Joe would sail through 2 from learning ABC' s to b...
【简答题】____ She enjoyed perfect health as a child.
【简答题】金融衍生工具是建立在基础金融工具或金融变量之上的，其价格取决于后者的价格的派生产品。( )
相关题目：