Answer:
Hence the solids that should test to investigate the effects of cations on pH is
(Cation is Al 3+) Â
 ( Cation is Mg 2+) Â
( Cation is NH2+).
Explanation:
The solids in the following should you test to investigate the effects of cations on pH. Â
contains (Cation is Al 3+) Â
contains ( Cation is Mg 2+) Â
contains( Cation is NH2+ )