在Ag2CrO4饱和溶液中,加入K2CrO4固体,平衡时( )。
A.
c (Ag + )=2 c (CrO 4 2- )
B.
c (Ag + )=2 c (CrO 4 2- ) , [ c (Ag + )/ c θ ] 2 ·[ c (CrO 4 2- )/ c θ ]= K sp θ (Ag 2 CrO 4 )
C.
c (Ag + ) ¹ 2 c (CrO 4 2- ) , [ c (Ag + )/ c θ ] 2 ·[ c (CrO 4 2- )/ c θ ]= K sp θ (Ag 2 CrO 4 )
D.
c (Ag + ) ¹ 2 c (CrO 4 2- ) , [ c (Ag + )/ c θ ]·[ c (CrO 4 2- )/ c θ ]= K sp θ (Ag 2 CrO 4 )