Kemija - 2012./13. ljeto - 32.

$\mathrm{N}\mathrm{a}\mathrm{C}\mathrm{l}(\mathrm{a}\mathrm{q})\backslash mathrm\{NaCl\}(\backslash mathrm\{aq\})$

$\mathrm{N}\mathrm{a}\mathrm{B}\mathrm{r}(\mathrm{a}\mathrm{q})\backslash mathrm\{NaBr\}(\backslash mathrm\{aq\})$

$\mathrm{N}\mathrm{a}\mathrm{C}\mathrm{N}(\mathrm{a}\mathrm{q})\backslash mathrm\{NaCN\}(\backslash mathrm\{aq\})$

$\mathrm{N}\mathrm{a}\mathrm{I}(\mathrm{a}\mathrm{q})\backslash mathrm\{NaI\}(\backslash mathrm\{aq\})$