Kemija - 2012./13. ljeto - 37.

A. ${\mathrm{K}}_2{\mathrm{S}\mathrm{O}}_4(\mathrm{a}\mathrm{q})\backslash mathrm\{K\}\_\{2\}\; \backslash mathrm\{SO\}\_\{4\}(\backslash mathrm\{aq\})$

B. $\mathrm{K}\mathrm{C}\mathrm{l}(\mathrm{a}\mathrm{q})\backslash mathrm\{KCl\}(\backslash mathrm\{aq\})$

C. ${\mathrm{C}\mathrm{u}\mathrm{I}}_2(\mathrm{a}\mathrm{q})\backslash mathrm\{CuI\}\_\{2\}(\backslash mathrm\{aq\})$

D. ${\mathrm{C}\mathrm{u}\mathrm{S}\mathrm{O}}_4(\mathrm{a}\mathrm{q})\backslash mathrm\{CuSO\}\_\{4\}(\backslash mathrm\{aq\})$