Ka
The balanced equation is:
HCl+H2O<->H3O++Cl-
The Ka expression is…
What is Ka=[H3O+][Cl-]/[HCl]?
Kb=6.7x10-9, so Ka equals…
What is Ka=1.5x10-6?
In the dissociation of acetic acid, the Ka=1.8x10-5. The initial concentration of acetic acid is 0.10M, therefore the equilibrium concentration of H3O+ is…
What is [H3O+]=0.0013M or 1.3x10-3M?
What is Ka=[H3O+][H2PO4-]/[H3PO4]?
At 75 degrees C, Kw is increased by 25%, and the original Ka of 3.4x10-8 is increased by 15%. At 75 degrees C the new Kb is…
What is Kb=3.2x10-7?
In the dissociation of carbonic acid, the Ka=4.4x10-7. The initial concentration of carbonic acid is 0.05M, therefore the percent ionization of carbonic acid is…
What is 0.3%?
The Ka expression for the dissociation of formic acid is…
What is Ka=[COOH-][H3O+]/[HCOOH]?
The pH of a weak acid buffer is 4.12, and the concentration of the weak acid is 0.45M and concentration of conjugate base is 0.37M. The Ka value is…
What is Ka=6.2x10-5?
In the dissociation of hydrofluoric acid, the Kb=1.5x10-11. The initial concentration of HF is 0.010M, therefore the pH of the solution is…
What is pH=2.64?
The unbalanced equation is:
_Cu(s)+_HNO3(aq)->_Cu(NO3)2(aq)+_NO(g)+_H2O(l)
The Ka expression is…
What is Ka=[Cu(NO3)2]3[NO]2/[HNO3]8?
pOH is 7.5 in a certain reaction. The concentration of H3O+ is equal to the concentration of the conjugate. The concentration of acid is .20M. The value of Ka is…
What is Ka=5.0x10-13?
In the dissociation of Arsenic acid(H3AsO4), the Ka=5.5x10-3. The pH of the solution is 2.41, so the initial concentration of arsenic acid is…
What is 0.0067M(6.7x10-3M) or 0.0066M(6.6x10-3M)?