Test 10 Flashcards
Has a sour taste when dissolved in water
Acid
Can accept a proton from another substance
Base
Changes blue litmus paper to red
Acid
Produces H3O+ in an aqueous solution
Acid
Produces OH- in an aqueous solution
Base
Can donate a proton to another substance
Acid
Changes a red litmus paper to blue
Base
What is a solution in which the numbers of H3O+ and OH- ions are equal?
Neutral solution
What are three strong acids
Hydrochloric
Nitric
Sulfuric
By which process do ions of some salts react with water molecules to produce OH- or H3O+ ions?
Hydrolysis
What are substances such as litmus dye, phenolphthalein, and methyl violet?
acid-base indicators
What best describes strong acid?
It ionizes essentially 100% in aqueous solution.
What forms when a strong acid and a strong base react to neutralize each other?
Salt
What is the equivalent mass of an acid?
The mass of the acid required to supply 1 mol of H+ ions
What is the normality of an acidic or basic solution?
The number of equivalent masses per liter of solution
What gas is produced when an acid reacts with zinc metal?
Hydrogen
What gas is produced when an acid reacts with calcium carbonate?
Carbon dioxide
What forms when a Brønsted-Lowry base gains a proton?
Conjugate acid
What are acids containing hydrogen, oxygen, and one other element called?
oxyacids
What is not a strong base?
Ammonium
What is a solution that can maintain a relatively constant pH because it contains a weak acid and conjugate base or vice versa?
buffer
What is it called when you gradually add a standard solution to a measured volume of solution of unknown concentration until the reaction is complete?
Titration
What definition if acids and bases applies only to aqueous solutions?
Arrhenius
A solution containing more H3O+ ions than OH- ions is said to be —-?
acidic
