题文
实验室需要配制2mol/l的NaCl溶液450ml,配制时应选用的容量瓶的规格和称取的
质量分别是( )
| A.450ml,52.65g | B.任意规格,52.65 g |
| C.500 ml,58.5g | D.1000 ml,117 g |
实验室需要配制2mol/l的NaCl溶液450ml,配制时应选用的容量瓶的规格和称取的
质量分别是( )
| A.450ml,52.65g | B.任意规格,52.65 g |
| C.500 ml,58.5g | D.1000 ml,117 g |
试题篮
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