(1)0.01
(2)25%
过程见http://www.***.com/zhuanti/huaxue/d_jxzl/05-06%C4%EA_%B8%DF%B6%FE%D3%C5%BB%AF_%BB%AF%D1%A7%C6%BD%BA%E2A%BE%ED%A3%A8%B8%BD%B4%F0%B0%B8%A3%A9.doc例3
(1)0.01
(2)25%
过程见http://www.***.com/zhuanti/huaxue/d_jxzl/05-06%C4%EA_%B8%DF%B6%FE%D3%C5%BB%AF_%BB%AF%D1%A7%C6%BD%BA%E2A%BE%ED%A3%A8%B8%BD%B4%F0%B0%B8%A3%A9.doc例3