meSection #3. A buffer solution is prepared using ammonium (NH, Ka 5.6 x 10-10) and its conjugate base(NH3). The overall reaction equation for this this buffer solution is:NH4 H2 NH3 +H30Provide an equation for the reaction that takes place when H3O+ is added to this buffer solution.Provide an equation for the reaction that takes place when OH- is added to this buffer solution.Show how to determine (and then calculate) the pH of this buffer solution when [NH4"]and [NH3]= 0.015 M then indicate if this solution is acidic or basic.0.15 MShow how to determine (and then calculate) the pH of this buffer solution when NH4]= 0. 45 Mand [NH3] 0.00095 M then indicate if this solution is acidic or basic.Show how to determine (and then calculate) the pH of this buffer solution when [NH4] = 0.33 Mand [NH3] 0.36 M then indicate if this solution is acidic or basic.

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Asked Nov 28, 2019
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Chem 1121

me
Section #
3. A buffer solution is prepared using ammonium (NH, Ka 5.6 x 10-10) and its conjugate base
(NH3). The overall reaction equation for this this buffer solution is:
NH4 H2 NH3 +H30
Provide an equation for the reaction that takes place when H3O+ is added to this buffer solution.
Provide an equation for the reaction that takes place when OH- is added to this buffer solution.
Show how to determine (and then calculate) the pH of this buffer solution when [NH4"]
and [NH3]= 0.015 M then indicate if this solution is acidic or basic.
0.15 M
Show how to determine (and then calculate) the pH of this buffer solution when NH4]= 0. 45 M
and [NH3] 0.00095 M then indicate if this solution is acidic or basic.
Show how to determine (and then calculate) the pH of this buffer solution when [NH4] = 0.33 M
and [NH3] 0.36 M then indicate if this solution is acidic or basic.
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me Section # 3. A buffer solution is prepared using ammonium (NH, Ka 5.6 x 10-10) and its conjugate base (NH3). The overall reaction equation for this this buffer solution is: NH4 H2 NH3 +H30 Provide an equation for the reaction that takes place when H3O+ is added to this buffer solution. Provide an equation for the reaction that takes place when OH- is added to this buffer solution. Show how to determine (and then calculate) the pH of this buffer solution when [NH4"] and [NH3]= 0.015 M then indicate if this solution is acidic or basic. 0.15 M Show how to determine (and then calculate) the pH of this buffer solution when NH4]= 0. 45 M and [NH3] 0.00095 M then indicate if this solution is acidic or basic. Show how to determine (and then calculate) the pH of this buffer solution when [NH4] = 0.33 M and [NH3] 0.36 M then indicate if this solution is acidic or basic.

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Expert Answer

Step 1

The given reaction:

NHHONH +H0
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NHHONH +H0

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Step 2

Equation for the reaction when H3O+ is added to the buffer solution:

when H,O is added to the above,it will move the equilibrium to the left
NH,NH+,0*
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when H,O is added to the above,it will move the equilibrium to the left NH,NH+,0*

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Step 3

Equation for the reaction when OH- is add...

when OH isadded to the above.it willmove the equilibrium to the right.
NH, +он > NН, +н,о
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when OH isadded to the above.it willmove the equilibrium to the right. NH, +он > NН, +н,о

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