Kemija - 2022. jesen, 9.

${\mathrm{N}\mathrm{H}}_4\mathrm{C}\mathrm{l}\backslash mathrm\{NH\}\_\{4\}\; \backslash mathrm\{Cl\}$

$\mathrm{N}\mathrm{a}\mathrm{O}\mathrm{H}\backslash mathrm\{NaOH\}$

${\mathrm{H}\mathrm{N}\mathrm{O}}_3\backslash mathrm\{HNO\}\_\{3\}$

$\mathrm{H}\mathrm{C}\mathrm{O}\mathrm{O}\mathrm{H}\backslash mathrm\{HCOOH\}$