下图是铜锌原电池装置。其电池的总反应是: Zn(s)+CuSO4(aq)=ZnSO4(aq)+C

下图是铜锌原电池装置。其电池的总反应是:

Zn(s)+CuSO4(aq)ZnSO4(aq)+Cu(s)若该电池中两电极的总质量为300g,工作一段时间后,取出锌片和铜片洗净干燥后称重,总质量为298g

请回答以下问题:

1R的名称是_________

R中的阳离子移向______(填AB)中的溶液。

2)电极Y的材料是______   _

B中的电解质溶液是________________

3X为原电池的___    极,其电极反应式是___________             __

4产生铜的质量为           转移的电子的物质的量为                 

5高铁酸盐在能源环保领域有广泛用途。我国学者

提出用镍(Ni)、铁作电极电解浓NaOH溶液制备高

铁酸盐Na2FeO4的方案,装置如右图所示。

Fe电极作           极 (填);

②Ni电极的电极反应式为:                           

答案

1)盐桥1分) A1分)    2Zn或锌1分)  ZnSO4溶液或硫酸锌溶液1分)

3)正1分)   Cu2+ +2e== Cu2分)      4128g 2分)  4mol2分)

5 1分)    ②2H+ 2e=== H2 2H2O + 2e== H2+ 2OH2分)

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