A:用装置甲制取氯气
B:用装置乙除去氯气中的少量氯化氢
C:用装置丙分离出MnCl2溶液中的固体MnO2
D:用装置丁称得回收的二氯化锰质量为5.36g
Mr. Liu is a ____. He works in Bao'an People's Hospital. His house is ____ from the hospital. So he goes to work by ____.He is ____. He helps lots of sick people. He likes his ____.
序号
V(ml)
p(×105Pa)
pV(×105Pa•ml)
1
20.0
1.0010
20.020
2
18.0
1.0952
19.714
3
16.0
1.2313
19.701
4
14.0
1.4030
19.642
5
12.0
1.6351
19.621
有理数a,b在数轴上的位置如图所示,则下列各式成立的是( )