Answer
A) Na+ and NO3-
B) Al+3 and NO3-
C) Mg+2 and SO4-2
Work Step by Step
Refer to the canceled ions in Ex. 84, Part A. These are the spectator ions.
Refer to the canceled ions in Ex. 84, Part B. These are the spectator ions.
Refer to the canceled ions in Ex. 84, Part C. These are the spectator ions.