Kemija - 2022. jesen, 8.

$\mathrm{K}\mathrm{F}\backslash mathrm\{KF\}$

$\mathrm{H}\mathrm{C}\mathrm{l}\backslash mathrm\{HCl\}$

$\mathrm{K}\mathrm{O}\mathrm{H}\backslash mathrm\{KOH\}$

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