Write the net ionic equations for the following. Indicate the spectator ions. Na

Question

Write the net ionic equations for the following. Indicate the spectator ions. Na2SO4(aq) + Ba(NO3)2(aq) --> BaSO4(s) + 2NaNO3(aq) Pb(NO3)2(aq) + 2NaI(aq) --> PbI2(s) + 2NaNO3(aq) MgCO3(s) + H2SO4(aq) --> MgSO4(aq) + H2O(1) + CO2(g) Write the net ionic equations for the following. Indicate the spectator ions. Na2SO4(aq) + Ba(NO3)2(aq) --> BaSO4(s) + 2NaNO3(aq) Pb(NO3)2(aq) + 2NaI(aq) --> PbI2(s) + 2NaNO3(aq) MgCO3(s) + H2SO4(aq) --> MgSO4(aq) + H2O(1) + CO2(g) MgCO3(s) + H2SO4(aq) --> MgSO4(aq) + H2O(1) + CO2(g)

Explanation / Answer

                    Na2SO4(aq) + Ba(NO3)2(aq) --> BaSO4(s) + 2NaNO3(aq)           2 Na+ + SO 42- + Ba2+ + 2 NO 3- ----->   BaSO 4 + 2Na + +2NO 3-    Net ionic equation :        SO 42- + Ba 2+   ----->   BaSO 4   spectator ions    : Na+ , NO 3-                      Pb(NO3)2(aq) + 2NaI(aq) --> PbI2(s) + 2NaNO3(aq)              Pb 2+ +  2 NO 3- + 2 Na + + 2 I-   -----------> PbI2   + 2 Na + + 2 NO3- Net ionic equation  :        Pb2+    + 2 I -  -----------> PbI2   spectator ions    :    Na+   , NO 3-                       MgCO3(s) + H2SO4(aq) --> MgSO4(aq) + H2O(1) + CO2(g)               MgCO3 + 2 H + + SO42-   ---------> Mg2+ + SO 42-   + H2 O + CO 2 Net ionic equation  :   MgCO3 + 2 H+ ---------> Mg2+    + H 2 O + CO2 spectator ions    :   SO 42-   Net ionic equation  :        Pb2+    + 2 I -  -----------> PbI2   spectator ions    :    Na+   , NO 3-                       MgCO3(s) + H2SO4(aq) --> MgSO4(aq) + H2O(1) + CO2(g)               MgCO3 + 2 H + + SO42-   ---------> Mg2+ + SO 42-   + H2 O + CO 2 Net ionic equation  :   MgCO3 + 2 H+ ---------> Mg2+    + H 2 O + CO2 spectator ions    :   SO 42-                         MgCO3(s) + H2SO4(aq) --> MgSO4(aq) + H2O(1) + CO2(g)               MgCO3 + 2 H + + SO42-   ---------> Mg2+ + SO 42-   + H2 O + CO 2 Net ionic equation  :   MgCO3 + 2 H+ ---------> Mg2+    + H 2 O + CO2 spectator ions    :   SO 42-   spectator ions    :   SO 42-  

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