单项选择题
A.0.1mol˙L-1 B.0.2mol˙L-1 C.0.4mol˙L-1 D.0.8mol˙L-1
A.A B.B C.C D.D
A.3,0,0,+1/2 B.3,1,0,+1/2 C.3,1,0,-1/2 D.3,1,-1,-1/2