write out the name of each of the following compounds:
a. [tex]\mathrm{Na}_2 \mathrm{CO}_3-[/tex]
b. [tex]\mathrm{Ca}(\mathrm{OH})_2-[/tex]
c. [tex]\mathrm{Mg}\left(\mathrm{NO}_3\right)_2-[/tex]
d. [tex]\mathrm{Mn}\left(\mathrm{CH}_3 \mathrm{CO}_2\right)_2^{-}[/tex]
e. [tex]\mathrm{Mg}_3\left(\mathrm{PO}_4\right)_2-[/tex]