(a)
Interpretation:
Drawing the molecular-level pictures of strong electrolytes when its breaks up into component ions upon dissolving in water.
Concept Introduction:
Strong electrolyte totally dissociates in a solution. These ions are good conductors of emotional current in the solution.
(a)
Answer to Problem 27E
The dissociation of the given strong electrolyte is, NaBr(s)→Na+(aq)+Br-aq
Explanation of Solution
NaBr(s)→Na+(aq)+Br-aq
Figure 1
Let us consider the above molecular-level pictures of NaBr(s). It should show equal
number of Na+ions and Br-ions.
(b)
Interpretation:
Drawing the molecular-level pictures of strong electrolytes when its breaks up into component ions upon dissolving in water.
Concept Introduction:
Strong electrolyte totally dissociates in a solution. These ions are good conductors of emotional current in the solution.
(b)
Answer to Problem 27E
The dissociation of the given strong electrolyte is,. MgCl2(s) →Mg2+(aq)+2Cl-(aq)
Explanation of Solution
To draw the molecular-level pictures of MgCl2(s)
MgCl2(s) →Mg2+(aq)+2Cl-(aq)
Figure 2
Let us consider the above molecular-level pictures of MgCl2(s) should show twice the
number of 2Cl-(aq) ion as Mg2+(aq) ions.
(c)
Interpretation:
Drawing the molecular-level pictures of strong electrolytes when its breaks up into component ions upon dissolving in water.
Concept Introduction:
Strong electrolyte totally dissociates in a solution. These ions are good conductors of emotional current in the solution.
(c)
Answer to Problem 27E
The dissociation of the given strong electrolyte is, Al(NO3)3(s)→Al3+(aq)+3NO-3(aq)
Explanation of Solution
To draw the molecular-level pictures of Al(NO3)3(s)
Al(NO3)3(s)→Al3+(aq)+3NO-3(aq)
Figure 3
Let us consider the above molecular-level pictures of Al(NO3)3(s) should show thrice the
number of 2Cl-(aq) ion as Mg2+(aq) ions.
should show equal
number of 3NO-3(aq) ions as Al3+(aq) ions.
(d)
Interpretation:
Drawing the molecular-level pictures of strong electrolytes when its breaks up into component ions upon dissolving in water.
Concept Introduction:
Strong electrolyte totally dissociates in a solution. These ions are good conductors of emotional current in the solution.
(d)
Answer to Problem 27E
The dissociation of the given strong electrolyte is, (NH4)2SO4(s)→2NH+4(aq) + SO2-4(aq)
Explanation of Solution
To draw the molecular-level pictures of (NH4)2SO4(s)
(NH4)2SO4(s)→2NH+4(aq) + SO2-4(aq)
Figure 4
Let us consider the above molecular-level pictures of (NH4)2SO4(s) should show
number of 2NH+4(aq) ions and one SO2-4(aq) ion.
(e)
Interpretation:
Drawing the molecular-level pictures of strong electrolytes when its breaks up into component ions upon dissolving in water.
Concept Introduction:
Strong electrolyte totally dissociates in a solution. These ions are good conductors of emotional current in the solution.
(e)
Answer to Problem 27E
The dissociation of the given strong electrolyte is, NaOH(s)→ Na+(aq) + OH-(aq)
Explanation of Solution
To draw the molecular-level pictures of NaOH(s)
NaOH(s)→ Na+(aq) + OH-(aq)
Figure 5
Let us consider the above molecular-level pictures of NaOH(s) should show equal
Number of Na+(aq) ions and Na+(aq) ion.
(f)
Interpretation:
Drawing the molecular-level pictures of strong electrolytes when its breaks up into component ions upon dissolving in water.
Concept Introduction:
Strong electrolyte totally dissociates in a solution. These ions are good conductors of emotional current in the solution.
(f)
Answer to Problem 27E
The dissociation of the given strong electrolyte is, FeSO4(s)→Fe2+(aq)+SO2-4(aq)
Explanation of Solution
To draw the molecular-level pictures of FeSO4(s)
FeSO4(s)→Fe2+(aq)+SO2-4(aq)
Figure 6
Let us consider the above molecular-level pictures of FeSO4(s) should show equal
number of Fe2+(aq) ions and one SO2-4(aq) ion.
(g)
Interpretation:
Drawing the molecular-level pictures of strong electrolytes when its breaks up into component ions upon dissolving in water.
Concept Introduction:
Strong electrolyte totally dissociates in a solution. These ions are good conductors of emotional current in the solution.
(g)
Answer to Problem 27E
The dissociation of the given strong electrolyte is, KMnO4(s)→K+(aq) + MnO4-(aq)
Explanation of Solution
To draw the molecular-level pictures of KMnO4(s)
KMnO4(s)→K+(aq) + MnO4-(aq)
Figure 7
Let us consider the above molecular-level pictures of KMnO4(s) should show equal
number of K+(aq) ions and one MnO4-(aq) ion
(h)
Interpretation:
Drawing the molecular-level pictures of strong electrolytes when its breaks up into component ions upon dissolving in water.
Concept Introduction:
Strong electrolyte totally dissociates in a solution. These ions are good conductors of emotional current in the solution.
(h)
Answer to Problem 27E
The dissociation of the given strong electrolyte is, HClO4(aq) →H+(aq) + ClO4-(aq)
Explanation of Solution
To draw the molecular-level pictures of HClO4(aq)
HClO4(aq) →H+(aq) + ClO4-(aq)
Figure 8
Let us consider the above molecular-level pictures of HClO4(aq) should show equal
number of H+(aq) ions and one ClO4-(aq) ion.
(i)
Interpretation:
Drawing the molecular-level pictures of strong electrolytes when its breaks up into component ions upon dissolving in water.
Concept Introduction:
Strong electrolyte totally dissociates in a solution. These ions are good conductors of emotional current in the solution.
(i)
Answer to Problem 27E
The dissociation of the given strong electrolyte is, NH4C2H3O2(s) →NH4+(aq) + C2H3O2-(aq)
Explanation of Solution
To draw the molecular-level pictures of NH4C2H3O2(s)
NH4C2H3O2(s) →NH4+(aq) + C2H3O2-(aq)
Figure 9
Let us consider the above molecular-level pictures of NH4C2H3O2(s) should show equal
Number of NH4+(aq) ions and one C2H3O2-(aq) ion.
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Chapter 4 Solutions
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