7.3 Flashcards
Acids with Arrhenius Model
produce hydrogen ions
Bases with Arrhenius model
Produce hydroxide(OH) ions
Acids in Bronsted Lowry Model
Proton Donor
Bases in Bronsted-Lowry Model
Proton acceptor
Conjugate Acid
Acid produced when the base gains a proton
Conjugate base
The base formed when the acid loses a proton
Is HF, F a conjugate base pair?
Yes it lost a hydrogen
Is NH4+, NH3 a conjugate
acid-base pair
Yes it lost a hydrogen
Is HCl, H2O a conjugate base pair?
No
What is the Conjugate base for H3PO4?
H2PO4
What is the Conjugate Acid for H20?
H30
A model: base or acid?
HC6H7O7
Acid
A model: base or acid?
LiOH
Base
A model: base or acid?
HCH2O2
Acid
A model: base or acid?
KBr
Neither
A model: base or acid?
HOH
Both
Acidity Equation
[H+] [OH-] = 1.0 x 10^-14
What do brackets show?
That the substance is measured in molarity
When [H+] > [OH-] the solution is…
Acidic
When [H+] < [OH-] the solution is…
Basic
When [H+] = [OH-] the solution is…
Neutral
Strong Acids have ___ conjugate bases
Weak
pH < 7 is
Acidic
pH > 7 is
Basic
pOH < 7 is
Basic
pOH > 7
Acidic
pH equation
pH = -log[H+]
pOH equation
pOH= -log[OH-]
pH + pOH = ?
14.00 EVERYTIME
Calculating concentration from pH and pOH equation?
10^(-pH) OR 10^(-pOH)
Weak acids ____ protons
Accept
Strong Acids
Hydrochloric, Nitric, Perchloric, Sulfuric