Macmillan Learning Given a diprotic acid, H₂A, with two ionization constants of K₁1 = 4.2 x 104 and K₁2 = 5.2 x 10-11, calculate the pH fom 0.167 M solution of NaHA. pH =

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Chapter1: Chemical Foundations
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How can we find out the pH?
Macmillan Learning
Given a diprotic acid, H, A, with two ionization constants of K₁1 = 4.2 x 104 and K₁2 = 5.2 x 10-11, calculate the pH for a
0.167 M solution of NaHA.
pH =
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Transcribed Image Text:Macmillan Learning Given a diprotic acid, H, A, with two ionization constants of K₁1 = 4.2 x 104 and K₁2 = 5.2 x 10-11, calculate the pH for a 0.167 M solution of NaHA. pH = ▬ ― O Search & 7 * 8 A ( 9 F10 F11 JB F12 PrtSc Insert Backspace
Phosphoric acid, H, PO, (aq), is a triprotic acid, meaning that one molecule of the acid
has three acidic protons. Estimate the pH, and the concentrations of all species in a
0.150 M phosphoric acid solution.
[H₂PO]=
[H₂PO]=
Incorrect
[HPO-]=
▬▬
4413
[PO]=
Incorrect
0.05
6.2 x10-8
4.8 x10-13
Incorrect
Search
7
FB
8
a
F9
(
9
F10
M
M
M
M
[H] =
[OH-] =
pH =
)
JB
0.05
Incorrect
Incorrect
1.4
Incorrect
2.5 x10-13
F12
Kal
K₂2
6.9x103 6.2x10-8
O
PrtSc
+
Resources
Insert
K₂3
4.8x10-13
M
M
Ly Give Up?
Question Source: McQuarrie, Rock, And Gallogly 4e-Gene
Backspace
► 111
Transcribed Image Text:Phosphoric acid, H, PO, (aq), is a triprotic acid, meaning that one molecule of the acid has three acidic protons. Estimate the pH, and the concentrations of all species in a 0.150 M phosphoric acid solution. [H₂PO]= [H₂PO]= Incorrect [HPO-]= ▬▬ 4413 [PO]= Incorrect 0.05 6.2 x10-8 4.8 x10-13 Incorrect Search 7 FB 8 a F9 ( 9 F10 M M M M [H] = [OH-] = pH = ) JB 0.05 Incorrect Incorrect 1.4 Incorrect 2.5 x10-13 F12 Kal K₂2 6.9x103 6.2x10-8 O PrtSc + Resources Insert K₂3 4.8x10-13 M M Ly Give Up? Question Source: McQuarrie, Rock, And Gallogly 4e-Gene Backspace ► 111
Expert Solution
Step 1

Given ,

A diprotic acid H2A.

 

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