![](https://static.youtibao.com/asksite/comm/h5/images/m_q_title.png)
[多选题]
用万分之一的分析天平称取lg样品,则称量所引起的误差是()
A.士0.1mg
B.士0.1%
C.士0,01%
D.±1%
![](https://static.youtibao.com/asksite/comm/h5/images/m_q_a.png)
AC
![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)
A.士0.1mg
B.士0.1%
C.士0,01%
D.±1%
AC
万分之一的分析天平可称准至±0.1 mg。要使试样称量误差不大于0.1%,至少应称取的试样质量为()。
A.0.1 g
B.0.2 g
C.1 g
D.2 g
A.大于0.2g
B.等于0.2g
C.大于或等于0.2g
D.大于0.4g
用经较准的万分之一分析天平称量0.1g试样,其相对误差是()。
A.±0.1%
B.+0.1%
C.-0.1%
D.无法确定