Calculate the pH of a 0.080 M carbonic acid solution, H2CO3(aq),
that has the stepwise dissociation constants Ka1 =
4.3 × 10-7
and Ka2 =
5.6 × 10-11.
Group of answer choices
10.25
1.10
Calculate the [H3O+] and pH of each polyprotic acid
solution.
Dissociation Constants for Acids at 25 ∘C
Formula
Ka1
Ka2
Ka3
H2CO3
4.3×10−7
5.6×10−11
H3C6H5O7
7.4×10−4
1.7×10−5
4.0×10−7
PART A
0.130 M H3C6H5O7 H3O+
=
PART B
0.130 M H3C6H5O7 pH =
Question: Calculate The PH Of A 0.080 M Carbonic Acid Solution,
H2CO3(aq), That Has The Stepwise Dissociation Constants
Ka1=4.3x10^-7 And Ka2=5.6x10^-11.
calculate the ph of a solution made by mixing 20.0 ml of 0.200 m
h2so3, 10.0 ml of 0.120m naoh, 10.0ml of 0.150 m hcl, and 10.0ml of
0.200 m na2so3. (pka1: 1.857, pka2: 7.172 for h2so3)
Calculate the pH of a 0.01 M solution of sodium benzoate.
A: Dissociation constant of benzoic acid.
B: Calculate the hydrolysis constant of sodium benzoate.
C: Calculate the pH of the 0.01 M solution.
Calculate the pH of a 0.0760 M anilinium chloride solution. A
list of ionization constants can be found here.
Calculate the concentrations of the conjugate acid and base at
equilibrium. The conjugate acid and conjugate base are represented
as HA and A–, respectively.
Consider the stepwise dissociation of the diprotic acid H2SO3;
pKa1= 1.82 ans pKa2=7.20
a) write balanced net ionic equations and Ka expressions for
the stepwise dissociation of the diprotic acid, H2SO3.
b) calculate the pH and concentration of all species in a
solution of 0.025 M H2SO3.
A) Calculate the concentration of
all species in a 0.490 M solution of H2SO3.
B) Calculate the concentration of all species in a 0.165
M solution of H2CO3.
Determine the pH of each solution.
Dissociation Constants at 25 ∘C
Name
Formula
Ka
Formic acid
HCHO2
1.8×10−4
Name
Formula
Kb
Methylamine
CH3NH2
4.4×10−4
a) 0.21 M KCHO2
b) 0.21 M CH3NH3I
c)0.21 M KI