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Be sure to answer all parts. Write ionic and net ionic equations for the following reactions. Be sure to include the states for each species. (a) Na2S(aq) + ZnCl2(aq)   Total ionic:    Net ionic:    (b) Mg(NO3)2(aq) + 2 NaOH(aq)   Total ionic:     Net ionic:

Question
Be sure to answer all parts.
 
Write ionic and net ionic equations for the following reactions. Be sure to include the states for each species.
 
(a) Na2S(aq) + ZnCl2(aq
 
 
Total ionic:
 
 
 

 
Net ionic:
 
 
 

 
(b) Mg(NO3)2(aq) + 2 NaOH(aq
 

 
Total ionic:
 
 
 
 

 
Net ionic:
 
check_circleAnswer
Step 1

The net ionic equation shows only the chemical species that are involved in a reaction, while the complete or total ionic equation also includes spectator ions. A spectator ion is an ion that does not take part in the chemical reaction and is found in solution both before and after the reaction.

Step 2

(a) The total ionic and net ionic equation can be written as :

Na2S (aq)ZnCl2 (aq) -» ZnS (s) 2 NaCl (aq
Total ionic equation:
2 Na* (aq)S2 (aq)Zn2 (aq) +2 Cl (aq) -» ZnS (s)2 Na* (aq) 2 Cl (aq)
Net ionic equation:
2 Na* (aq)S2(aq)Zn2 (aq) 2 C(ag)
ZnS (s)2 Nat (aq) + 2 Ck(aq)
Zn2 (aq)S2(aq) ZnS (s)
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Na2S (aq)ZnCl2 (aq) -» ZnS (s) 2 NaCl (aq Total ionic equation: 2 Na* (aq)S2 (aq)Zn2 (aq) +2 Cl (aq) -» ZnS (s)2 Na* (aq) 2 Cl (aq) Net ionic equation: 2 Na* (aq)S2(aq)Zn2 (aq) 2 C(ag) ZnS (s)2 Nat (aq) + 2 Ck(aq) Zn2 (aq)S2(aq) ZnS (s)

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Step 3

(b) The total ionic and net ionic e...

Mg(NO3)2 (aq +2 NaOH (aq)
Mg(OH)2 (s) 2 Na(NO3) (aq)
Total ionic equation:
Mg2 (aq) 2 NO3 (aq) 2 Na* (aq) 2 OH (aq)
Mg(OH)2 (s) 2 Na* (aq) 2 NO3 (aq)
Net ionic equation:
Mg2+ (aq) 2 NO (aq)2 Na* aq) 2 OH (aq) - Mg(OH)2 (s) 2 Na (aq) +2 NO, (aq)
Mg2+ (aq)2 OH (aq)Mg(OH)2 (s)
help_outline

Image Transcriptionclose

Mg(NO3)2 (aq +2 NaOH (aq) Mg(OH)2 (s) 2 Na(NO3) (aq) Total ionic equation: Mg2 (aq) 2 NO3 (aq) 2 Na* (aq) 2 OH (aq) Mg(OH)2 (s) 2 Na* (aq) 2 NO3 (aq) Net ionic equation: Mg2+ (aq) 2 NO (aq)2 Na* aq) 2 OH (aq) - Mg(OH)2 (s) 2 Na (aq) +2 NO, (aq) Mg2+ (aq)2 OH (aq)Mg(OH)2 (s)

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