Write ionic and net ionic equations for the following reactions: (a) \(\mathrm{AgNO}_{3}(a q)+\mathrm{Na}_{2} \mathrm{SO}_{4}(a q) \longrightarrow\) (b) \(\mathrm{BaCl}_{2}(a q)+\mathrm{ZnSO}_{4}(a q) \longrightarrow\) (c) \(\left(\mathrm{NH}_{4}\right)_{2} \mathrm{CO}_{3}(a q)+\mathrm{CaCl}_{2}(a q) \longrightarrow\)

Short Answer

Expert verified
\n(a) \(\mathrm{Ag}^{+}(a q) + \mathrm{SO}_{4}^{2-}(a q) \longrightarrow \mathrm{Ag}_{2}\mathrm{SO}_{4}(s)\)\n(b) \(\mathrm{Ba}^{2+}(a q) + \mathrm{SO}_{4}^{2-}(a q) \longrightarrow \mathrm{BaSO}_{4}(s)\)\n(c) \(\mathrm{CO}_{3}^{2-}(a q) + \mathrm{Ca}^{2+}(a q) \longrightarrow \mathrm{CaCO}_{3}(s)\)

Step by step solution

01

Write down the molecular equations

Remembering the solubility rules, figure out the products of the reactions and balance the equations. They will be:\n(a) \(\mathrm{AgNO}_{3}(a q)+\mathrm{Na}_{2} \mathrm{SO}_{4}(a q) \longrightarrow \mathrm{Ag}_{2}\mathrm{SO}_{4}(s) + 2\mathrm{NaNO}_{3}(a q)\)\n(b) \(\mathrm{BaCl}_{2}(a q)+\mathrm{ZnSO}_{4}(a q) \longrightarrow \mathrm{BaSO}_{4}(s) + \mathrm{ZnCl}_{2}(a q)\)\n(c) \(\left(\mathrm{NH}_{4}\right)_{2} \mathrm{CO}_{3}(a q)+\mathrm{CaCl}_{2}(a q) \longrightarrow \mathrm{CaCO}_{3}(s) + 2\mathrm{NH}_{4}\mathrm{Cl}(a q)\)
02

Write down the complete ionic equations

Split all soluble (aq) compounds into their ions (this is the complete ionic equation)\n(a) \(\mathrm{Ag}^{+}(a q) + \mathrm{NO}_{3}^{-}(a q) + 2\mathrm{Na}^{+}(a q) + \mathrm{SO}_{4}^{2-}(a q) \longrightarrow \mathrm{Ag}_{2}\mathrm{SO}_{4}(s) + 2\mathrm{Na}^{+}(a q) + 2\mathrm{NO}_{3}^{-}(a q)\)\n(b) \(\mathrm{Ba}^{2+}(a q) + 2\mathrm{Cl}^{-}(a q) + \mathrm{Zn}^{2+}(a q) + \mathrm{SO}_{4}^{2-}(a q) \longrightarrow \mathrm{BaSO}_{4}(s) + \mathrm{Zn}^{2+}(a q) + 2\mathrm{Cl}^{-}(a q)\)\n(c) \(\mathrm{NH}_{4}^{+}(a q) + \mathrm{CO}_{3}^{2-}(a q) + \mathrm{Ca}^{2+}(a q) + 2\mathrm{Cl}^{-}(a q) \longrightarrow \mathrm{CaCO}_{3}(s) + 2\mathrm{NH}_{4}^{+}(a q) + 2\mathrm{Cl}^{-}(a q)\)
03

Write down the net ionic equations

Cancel out the common ions on both sides to get the net ionic equation\n(a) \(\mathrm{Ag}^{+}(a q) + \mathrm{SO}_{4}^{2-}(a q) \longrightarrow \mathrm{Ag}_{2}\mathrm{SO}_{4}(s)\)\n(b) \(\mathrm{Ba}^{2+}(a q) + \mathrm{SO}_{4}^{2-}(a q) \longrightarrow \mathrm{BaSO}_{4}(s)\)\n(c) \(\mathrm{CO}_{3}^{2-}(a q) + \mathrm{Ca}^{2+}(a q) \longrightarrow \mathrm{CaCO}_{3}(s)\)

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