1. Neutralization and Conductivity

2. Neutralization and Conductivity
The conductivity of a neutralized acid-base mixture is dependent on the salt produced!
If the salt produced is a soluble salt, then the neutralized acid-base mixture will be a good conductor of electricity.
If the salt produced is an insoluble salt, then the neutralized acid-base mixture will be a poor conductor of electricity.
Soluble salts
produce lots of free moving ions in water!
Insoluble salts
produce very few free moving ions in water!

3. Neutralization and Conductivity
Acid + Base → Water + Salt
Lots of free moving ions in the water!
OH1-
H1+
Cl1-
HOH
HOH
Na1+
H1+
OH1-
Cl1-
OH1-
OH1-
H1+
H1+
Na1+
Cl1-
Cl1-
H1+
Na1+
Na1+
HOH
Cl1-
OH1-
H1+
OH1-
Na1+
OH1-
HOH
OH1-
H1+
Cl1-
Cl1-
H1+
Na1+
Cl1-
Na1+
Na1+

4. Neutralization and Conductivity
Acid + Base → Water + Salt
Very few free moving ions in the water!
SO42-
OH1-
H1+
HOH
HOH
Ca2+
H1+
OH1-
SO42-
H1+
OH1-
Ca2+
H1+
H1+
SO42-
HOH
OH1-
HOH
OH1-
H1+
OH1-
H1+
OH1-
Ca2+
OH1-
Ca2+
SO42-
H1+
HOH
HOH
OH1-
OH1-
H1+
OH1-
H1+
SO42-
H1+
H1+
Ca2+
OH1-
CaSO4
CaSO4
SO42-
Ca2+

5. Neutralization and Conductivity
1) In general, sulfuric acid is a ____________ conductor of electricity.
Write the equation for the neutralization of sulfuric acid with barium hydroxide.
__________________________
______________________
Compared with sulfuric acid, how well does the resulting mixture of the neutralization of sulfuric acid with barium hydroxide conduct electricity and why?
___________________________________
good 1
H2SO4(aq) + 1
Ba(OH)2(aq) → 1 Ba
SO4
SO4(s) + 2
HOH(l)
The resulting mixture conducts less well
because BaSO4 is insoluble in water.

6. Neutralization and Conductivity
2) In general, hydrochloric acid is a _________ conductor of electricity.
Write the equation for the neutralization of hydrochloric acid with barium hydroxide.
__________________________
______________________
Compared with hydrochloric acid, how well does the resulting mixture of the neutraliza- tion of hydrochloric acid with barium hydrox- ide conduct electricity and why?
___________________________________
good 2
HCl(aq) 1
Ba(OH)2(aq) → + 1 Ba Cl
Cl2(aq)
Cl2 + 2
HOH(l)
The resulting mixture conducts as well
because BaCl2 is soluble in water.

7. Neutralization and Conductivity
3) In general, acetic acid is a ______________ conductor of electricity.
Write the equation for the neutralization of acetic acid with calcium hydroxide.
__________________________
______________________
Compared with acetic acid, how well does the resulting mixture of the neutralization of acetic acid with calcium hydroxide conduct electricity and why?
___________________________________
poor 2
HC2H3O2(aq) + 1
Ca(OH)2(aq) → 1 Ca
(C2H3O2)2
(C2H3O2)2(aq)
C2H3O2 + 2
HOH(l)
The resulting mixture conducts better
because Ca(C2H3O2)2 is soluble in water.

8. Neutralization and Conductivity
4) In general, potassium hydroxide is a ______________ conductor of electricity.
Write the equation for the neutralization of potassium hydroxide with hydrochloric acid.
__________________________
______________________
Compared with potassium hydroxide, how well does the resulting mixture of the neutral- ization of potassium hydroxide with Hydro- chloric acid conduct electricity and why?
___________________________________
good 1
KOH(aq) + 1
HCl(aq) → 1 K Cl
Cl(aq) + 1
HOH(l)
The resulting mixture conducts as well
because KCl is soluble in water.