Kemija - 2021. ljeto, 16.

A. ${\mathrm{C}\mathrm{H}}_3\mathrm{C}\mathrm{O}\mathrm{O}\mathrm{H}(\mathrm{a}\mathrm{q})+{\mathrm{H}}_2\mathrm{O}(\mathrm{\ell })\rightleftharpoons {\mathrm{C}\mathrm{H}}_3{\mathrm{C}\mathrm{O}\mathrm{O}}^{-}(\mathrm{a}\mathrm{q})+{\mathrm{H}}_3{\mathrm{O}}^{+}(\mathrm{a}\mathrm{q})\backslash mathrm\{CH\}\_\{3\}\; \backslash mathrm\{COOH\}(\backslash mathrm\{aq\})+\backslash mathrm\{H\}\_\{2\}\; \backslash mathrm\{O\}(\backslash ell)\; \backslash rightleftharpoons\; \backslash mathrm\{CH\}\_\{3\}\; \backslash mathrm\{COO\}^\{-\}(\backslash mathrm\{aq\})+\backslash mathrm\{H\}\_\{3\}\; \backslash mathrm\{O\}^\{+\}(\backslash mathrm\{aq\})$

B. ${\mathrm{C}\mathrm{H}}_3\mathrm{C}\mathrm{O}\mathrm{O}\mathrm{H}(\mathrm{a}\mathrm{q})+\mathrm{M}\mathrm{g}(\mathrm{s})\to {\left({\mathrm{C}\mathrm{H}}_3\mathrm{C}\mathrm{O}\mathrm{O}\right)}_2\mathrm{M}\mathrm{g}(\mathrm{a}\mathrm{q})+{\mathrm{H}}_2(\mathrm{g})\backslash mathrm\{CH\}\_\{3\}\; \backslash mathrm\{COOH\}(\backslash mathrm\{aq\})+\backslash mathrm\{Mg\}(\backslash mathrm\{s\})\; \backslash rightarrow\backslash left(\backslash mathrm\{CH\}\_\{3\}\; \backslash mathrm\{COO\}\backslash right)\_\{2\}\; \backslash mathrm\{Mg\}(\backslash mathrm\{aq\})+\backslash mathrm\{H\}\_\{2\}(\backslash mathrm\{g\})$

C. ${\mathrm{C}\mathrm{H}}_3\mathrm{C}\mathrm{O}\mathrm{O}\mathrm{H}(\mathrm{a}\mathrm{q})+{\mathrm{C}\mathrm{H}}_3\mathrm{O}\mathrm{H}(\mathrm{a}\mathrm{q})\rightleftharpoons {\mathrm{C}\mathrm{H}}_3{\mathrm{C}\mathrm{O}\mathrm{O}\mathrm{C}\mathrm{H}}_3(\mathrm{a}\mathrm{q})+{\mathrm{H}}_2\mathrm{O}(\mathrm{\ell })\backslash mathrm\{CH\}\_\{3\}\; \backslash mathrm\{COOH\}(\backslash mathrm\{aq\})+\backslash mathrm\{CH\}\_\{3\}\; \backslash mathrm\{OH\}(\backslash mathrm\{aq\})\; \backslash rightleftharpoons\; \backslash mathrm\{CH\}\_\{3\}\; \backslash mathrm\{COOCH\}\_\{3\}(\backslash mathrm\{aq\})+\backslash mathrm\{H\}\_\{2\}\; \backslash mathrm\{O\}(\backslash ell)$

D. ${\mathrm{C}\mathrm{H}}_3\mathrm{C}\mathrm{O}\mathrm{O}\mathrm{H}(\mathrm{a}\mathrm{q})+{\mathrm{N}\mathrm{a}\mathrm{H}\mathrm{C}\mathrm{O}}_3(\mathrm{s})\to {\mathrm{C}\mathrm{H}}_3\mathrm{C}\mathrm{O}\mathrm{O}\mathrm{N}\mathrm{a}(\mathrm{a}\mathrm{q})+{\mathrm{C}\mathrm{O}}_2(\mathrm{g})+{\mathrm{H}}_2\mathrm{O}(\mathrm{\ell })\backslash mathrm\{CH\}\_\{3\}\; \backslash mathrm\{COOH\}(\backslash mathrm\{aq\})+\backslash mathrm\{NaHCO\}\_\{3\}(\backslash mathrm\{s\})\; \backslash rightarrow\; \backslash mathrm\{CH\}\_\{3\}\; \backslash mathrm\{COONa\}(\backslash mathrm\{aq\})+\backslash mathrm\{CO\}\_\{2\}(\backslash mathrm\{g\})+\backslash mathrm\{H\}\_\{2\}\; \backslash mathrm\{O\}(\backslash ell)$