Vocabulary Flashcards
Arrhenius Acid
Hydrogen ions H +
Arrhenius Base
Hydroxide ions OH-
Bronsted Acid
Hydrogen Containing substance donates a proton(H+)
Bronsted Base
Capable of accepting a proton time
Conjugate Base
Species remaining when a Bronsted donates a proton
Conjugate acid-Base Pair
Bronsted acid(HNO2) and it’s conjugate base (NO2-)
Self ionization of water
Contains H2O molecules and small but equal amounts of H3O+ and OH- ions
Water
Behaves as an acid and a base self in auto ionization. 1.0x10-7 concentration in 1 liter.
Acidic solution
Concentration of H30+ is greater than the concentration of OH-
ph less than 7
Basic or alkaline solution
Concentration of OH- is greater than the concentration of H3O+
ph is greater than 7
ph Formula
-log[H+] or [H+]=1x10-ph
Cation
Positively charged ion
Anion
Negatively charged ion
Salts
Compounds I have at least one ionic bond
Strong acid and strong bases
Acids and bases that dissociates(ionize) completely when dissolved to form a solution
Weak(Moderately weak) Acids and bases
Acids and bases that dissociate (ionize) less than completely when dissolved to form a solution.
Buffers
Solutions that resist changes in pH
Mixture of an acid and a salt of an acid.
Buffer Capacity
The amount of acid(H+) or base(OH-) that can be absorbed by a buffer without causing a significant change in pH.
Molarity
The number of moles of solute per liter of solvent
Molarity formula
M= moles of solute
Liters of solution
Osmole
Unit of measurement that describes the number of moles of a compound that contribute to the osmotic pressure of a chemical solution
Osmolarity
Osmoles of solute per liter of solvent
Tonicity
Compare osmolarity of two solutions separated by a semi permeable membrane
Isotonic
Solution has the same osmolarity compare to the solution on the other side of the membrane