Распредели соли по группам
\(\mathrm{Na\_{2}SO\_{4}}\) , \(\mathrm{Na\_{3}PO\_{4}}\) , \(\mathrm{Ba(NO\_{3})\_{2}}\) , \(\mathrm{KCl}\) , \(\mathrm{NaHCO\_{3}}\) , \(\mathrm{Na\_{2}HPO\_{4}}\)