K[CuCl2]
For Mg the oxidation no is +2 while it is -2 for oxygen.
+2 for Mn and -1 for each Cl.
-2 for each O +6 for S
8
-2 for each Oxygen +4 for each Carbon
The hydrogen atoms are each in the 1+ oxidation state. The oxygen is in it's 2- oxidation state.
+4
For Mg the oxidation no is +2 while it is -2 for oxygen.
+2 for Mn and -1 for each Cl.
-2 for each O +6 for S
8
-2 for oxygen and +1 for each nitrogen
-2 for each Oxygen +4 for each Carbon
Na: +1 Cl: -1
4
-2 for each O +4 for Pb
There are 3 elements. This is meta phosphoric acid.