mini435
2012-11-28 12:47 PM
long1935 发表于 2012-11-26 11:02 PM
还有49提为什么是A啊
不是c吗
H2SO4+2NAOH>NA2SO4+2H20
balance就可以做到了
楼主: 啊木
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SPM 2012 CHEMISTRY PP1答案 |
long1935 发表于 2012-11-26 11:02 PM
还有49提为什么是A啊
不是c吗
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