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zlq2015

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冰点降温: 金币+2, 谢谢回帖,辛苦啦! 2015-11-27 13:36:33
(1)分别利用Ksp求得,
电极PbSO4-SO2 2-|Pb 的标准电极电势=-0.13+(0.05916/2*lg2.43*10^(-8)=-0.355V
同理求得Hg2SO4-SO4 2-|Hg的标准电极电势=0.79+(0.05916/2*lg1.46*10^(-6)=0.617V
(2)根据反应方程:E=E°=0.617-(-0.355)=0.972V
2楼2015-11-26 21:59:36
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3楼2015-11-27 13:39:06
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