Acids and Bases Percent Dissociation Review

The strength of an acid or base is dependent upon...

• how high its pH is

• how toxic it is

• how completely it dissociates or ionizes

• how stable it is

A solution with a pH of 8 would be classified as a ______.

• strong acid

• strong base

• weak acid

• weak base

Which of the following is NOT true of a neutralization reaction?

• It is a type of single replacement reaction involving an acid and a base

• The neutralization of a strong acid and a strong base will have a pH equal to 7

• It is a type of double replacement reaction that always produces water

• It results in a salt made from the reactants’ ions

If NaOH is added to water, what will most likely happen to the pH of the solution?

• It will increase

• It will be unaffected

• It will decrease

• It will become neutral

If HNO3 is added to water, what will most likely happen to the pH of the solution?

• It will increase

• It will be unaffected

• It will decrease

• It will become neutral

Which of the following terms best describes this solution?

• 100% dissociation

• Partial dissociation

• 100% ionization

• Partial ionization

Tags

NGSS.HS-PS1-5

An acidic solution has...
[choose 2]

• a pH less than 7

• more hydronium ions than hydroxide ions

• a pOH greater than 7

• more hydroxide than hydronium ions

• a pH greater than 7

Which of the following statements about buffers is true?

• A buffer is made from a weak acid and a weak base

• A buffer is a solution that maintains a constant pH

• A buffer solution is made from a strong base and its salt

• A buffer resists changes to the pH

If the pH of a solution increases from 5.0 to 6.0, what has happened to the hydronium ion concentration?

• It has gone up

• It has gone down

• It has been neutralized

• It’s unaffected

Which of the following definitions canNOT be used to define an acid?

• A substance with a low pH.

• A substance that accepts protons.

• A substance that adds H+ to a solution when dissolved in water.

• A substance that increases the concentration of hydronium ions in an aqueous solution.