下列关于配制一定物质的量浓度的溶液说法正确的是(     ) A.

下列关于配制一定物质的量浓度的溶液说法正确的是(    

A. NaCl固体置于托盘天平右盘称量:左盘砝码(8g)和游码(06g)读数的和为86g

B. 容量瓶上标有刻度线、温度和浓度,使用前要事先检查是否漏水

C. 配制一定物质的量浓度的溶液用到的主要仪器有:托盘天平、量筒、烧杯、玻璃棒、容量瓶、胶头滴管。

D. 配制1L0.2mol/LH2SO4 溶液,定容时仰视刻度线操作,则配出浓度偏高

答案

C

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