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42标准盐酸溶液需要使用标定法进行配置,通常使用的基准物质是( )

单选题
2021-09-06 21:10
A、无水碳酸钠
B、草酸
C、氢氧化钠溶液
D、邻笨二甲酸氢钾
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正确答案
A

试题解析

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