2.2 Ionization of water, weak acids, and weak bases

When weak acids dissolve in water they contribute BLANK by ionizing

H+

Weak bases consume BLANK by becoming protonated

H+

Define pH of the solution

Total hydrogen ion concentration from all sources is experimentally measured and expressed as such

Pure water is slightly

Ionized

Hydrogen ions formed in water are immediately hydrated to form BLANK

Hydronium ions

The ionization of water can be measured by its BLANK and explain

Electrical conductivity; pure water carriers electrical current as H3O+ migrates toward the cathode and OH- migrates toward the anode

A series of proton hops between hydrogen-bonded water molecules causes the BLANK movement of a proton over a long distance in a remarkably short time

Net

BLANK plays a role in biological proton-transfer reactions

Proton hopping

BLANK is crucial to the role of water in cellular function

Reversible ionization

Equilibrium constant Keq

Position of equilibrium of any chemical reaction is given by this

BLANK is the unit of concentration used in calcium Keq

Molarity

The ionization of water is expressed by an BLANK

Equilibrium constant

When there are exactly equal concentrations of H+ and OH- as in pure water the solution is said to be at BLANK

Neutral pH

The ion product of water Kw is the basis for the BLANK

PH scale

Acidosis

A metabolic condition in which the capacity of the body to buffer H+ is dismissed, usually accomplices by decreased blood pH

Alkalosis

A metabolic condition in which the capacity of the body to buffer OH- is diminished; usually accompanied by an increase in blood pH

Strong acids?

Hydrochloric, sulfuric, nitric acids

Acids are two things

Proton donors and proton acceptors

The tendency of any acid to lose a proton and form its conjugate base is defined by the BLANK for the reversible reaction

Equilibrium constant

What are equilibrium consonants for ionization reactions usually called

Ionization constants

Acid dissociation constants

The dissociation constant (Ka) of an acid, describing its dissociation into its conjugate base and a proton

Titration curves reveal the BLANK of weak acids

PKA