Kemija - 2022./23. probna - 22.

A. ${\mathrm{N}\mathrm{a}\mathrm{H}\mathrm{C}\mathrm{O}}_3(\mathrm{a}\mathrm{q})+\mathrm{H}\mathrm{C}\mathrm{l}(\mathrm{a}\mathrm{q})\to \mathrm{N}\mathrm{a}\mathrm{C}\mathrm{l}(\mathrm{s})+{\mathrm{H}}_2\mathrm{O}(\mathrm{\ell })+{\mathrm{C}\mathrm{O}}_2(\mathrm{g})\backslash mathrm\{NaHCO\}\_\{3\}(\backslash mathrm\{aq\})+\backslash mathrm\{HCl\}(\backslash mathrm\{aq\})\; \backslash rightarrow\; \backslash mathrm\{NaCl\}(\backslash mathrm\{s\})+\backslash mathrm\{H\}\_\{2\}\; \backslash mathrm\{O\}(\backslash ell)+\backslash mathrm\{CO\}\_\{2\}(\backslash mathrm\{g\})$

B. ${\mathrm{N}\mathrm{a}\mathrm{H}\mathrm{C}\mathrm{O}}_3(\mathrm{a}\mathrm{q})+\mathrm{H}\mathrm{C}\mathrm{l}(\mathrm{a}\mathrm{q})\to \mathrm{N}\mathrm{a}\mathrm{C}\mathrm{l}(\mathrm{a}\mathrm{q})+{\mathrm{H}}_2\mathrm{O}(\mathrm{\ell })+{\mathrm{C}\mathrm{O}}_2(\mathrm{g})\backslash mathrm\{NaHCO\}\_\{3\}(\backslash mathrm\{aq\})+\backslash mathrm\{HCl\}(\backslash mathrm\{aq\})\; \backslash rightarrow\; \backslash mathrm\{NaCl\}(\backslash mathrm\{aq\})+\backslash mathrm\{H\}\_\{2\}\; \backslash mathrm\{O\}(\backslash ell)+\backslash mathrm\{CO\}\_\{2\}(\backslash mathrm\{g\})$

C. ${\mathrm{N}\mathrm{a}}_2{\mathrm{C}\mathrm{O}}_3(\mathrm{a}\mathrm{q})+2\mathrm{H}\mathrm{C}\mathrm{l}(\mathrm{a}\mathrm{q})\to 2\mathrm{N}\mathrm{a}\mathrm{C}\mathrm{l}(\mathrm{s})+{\mathrm{H}}_2\mathrm{O}(\mathrm{\ell })+{\mathrm{C}\mathrm{O}}_2(\mathrm{g})\backslash mathrm\{Na\}\_\{2\}\; \backslash mathrm\{CO\}\_\{3\}(\backslash mathrm\{aq\})+2\; \backslash mathrm\{~HCl\}(\backslash mathrm\{aq\})\; \backslash rightarrow\; 2\; \backslash mathrm\{~NaCl\}(\backslash mathrm\{s\})+\backslash mathrm\{H\}\_\{2\}\; \backslash mathrm\{O\}(\backslash ell)+\backslash mathrm\{CO\}\_\{2\}(\backslash mathrm\{g\})$

D. ${\mathrm{N}\mathrm{a}}_2{\mathrm{C}\mathrm{O}}_3(\mathrm{a}\mathrm{q})+2\mathrm{H}\mathrm{C}\mathrm{l}(\mathrm{a}\mathrm{q})\to 2\mathrm{N}\mathrm{a}\mathrm{C}\mathrm{l}(\mathrm{a}\mathrm{q})+{\mathrm{H}}_2\mathrm{O}(\mathrm{\ell })+{\mathrm{C}\mathrm{O}}_2(\mathrm{g})\backslash mathrm\{Na\}\_\{2\}\; \backslash mathrm\{CO\}\_\{3\}(\backslash mathrm\{aq\})+2\; \backslash mathrm\{~HCl\}(\backslash mathrm\{aq\})\; \backslash rightarrow\; 2\; \backslash mathrm\{~NaCl\}(\backslash mathrm\{aq\})+\backslash mathrm\{H\}\_\{2\}\; \backslash mathrm\{O\}(\backslash ell)+\backslash mathrm\{CO\}\_\{2\}(\backslash mathrm\{g\})$