![](https://static.youtibao.com/asksite/comm/h5/images/m_q_title.png)
[单选题]
与160÷4÷2计算结果相等的是()
A.160÷4×2
B.160÷(4÷2)
C.160÷(4×2)
![](https://static.youtibao.com/asksite/comm/h5/images/m_q_a.png)
C、160÷(4×2)
![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)
A.160÷4×2
B.160÷(4÷2)
C.160÷(4×2)
C、160÷(4×2)
设溶液中MnO4-和Mn2+浓度相等。根据(1)pH=3;(2)pH=6时的电极电势的计算结果判断MnO4-是否能把I-和Br-氧化成I2和Br2。已知:
A.640
B.704
C.576
D.680
A.1
B.2
C.3
D.4
A.1
B.2
C.3
D.4