![](https://static.youtibao.com/asksite/comm/h5/images/m_q_title.png)
[主观题]
已知KMnO4的K525=2.3×103L·mol-1·cm-1采用b=2cm的比色皿, 欲使透射比T的读数范围为15%~70%, 问KMnO4溶液的浓度应控制在什么范围(以ug·mL-1表示) ?若T超出了上述范围时应采取何种措施?
查看答案
![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)
A.2mol/L
B.0.17%
C.3.04×10-4mol/L
D.0.71×10-4mol/L
A.1
B.10
C.103
D.200
A.130.64
B.147.52
C.168.65
D.230.25
A.2.66
B.2.6
C.2.3
D.6