单选题
配制0.1mol·L-1NaOH标准溶液,下列配制错误的是
A
将NaOH配制成饱和溶液,贮于聚乙烯塑料瓶中,密封放置至溶液清 亮,取清液 5ml注入1升不含CO2的水中摇匀,贮于无
B
将4.02克 NaOH溶于 1升水中,加热搅拌,贮于磨口瓶中
C
将4克NaOH溶于1升水中,加热搅拌,贮于无色试剂瓶中
D
将2克NaOH溶于500ml水 中,加热搅拌,贮于无色试剂瓶中
答案解析
正确答案:B
解析:
配制0.1mol·L-1NaOH标准溶液,下列配制错误的是 A.将NaOH配制成饱<|endoftext|>
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相关知识点:
NaOH标准液配制选A非B
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