Acid/Base Review Honors Chemistry

What is the name of H2SO3? Hyposulfuric acid Hydrosulfuric acid Sulfuric acid Sulfurous acid Hydrosulfite acid

What is the property of a base? Bitter taste Watery feel Strong color Unreactive nonelectrolyte

What is the charge on the hydronium ion? 2- 1- 1+ 2+

If the hydroxide ion concentration is 10-10M, what is the pH of the solution? 4 7 10 14

If the pH is 9, what is the concentration of hydroxide ion? 10-1 M 10-5 M 10-7 M 10-8 M 10-14M

How many free hydrogen ions are there in one liter of water? None, they are all hydrated Approximately 10-7 mol Approximately 10-1 mol Approximately 100 mol

A liter of impure water has 10-4 mol of hydroxide ions A liter of impure water has 10-4 mol of hydroxide ions. What is the concentration of hydronium ions in this sample of water? 10 -4 M 10 -10 M 10 –7 M No determination can be made from the information given

What is the concentration of hydronium ions in a neutral solution No determination can be made from the information given

For a solution to be classified as acidic, the … hydrogen-ion concentration must be 10 -7 M. hydrogen-ion and hydroxide-ion concentration must be equal hydrogen-ion concentration must be greater that the hydroxide-ion concentration hydrogen-ion concentration must be 7M or greater

A solution in which the hydroxide-ion concentration is 1 x 10 –4 M is_________? Acidic Basic Neutral None of the above

Which of these solutions is the most basic? [H +]= 1 x 10 –2 M [OH –] = 1 x 10 –4 M [H +] =1 x 10 –11 M [OH –] = 1 x 10 –13 M

In a neutral solution, the [H+] is ___? 10-14 M Zero 1 x 107 M Equal to [OH-]

What is the pH when the hydrogen ion concentration is 7.0 x 10 –3 M 1.9 2.2 3 4

An indicator is what type of compound? Oxidizing agent Weak base or acid Strong base or acid Salt Reducing agent

What is an acid according to Arrhenius? A substance that ionizes to yield protons in aqueous solutions A substance that is a hydrogen ion donor A substance that accepts an electron pair A substance that is a hydrogen ion acceptor A substance that donates an electron pair

Which of these is an Arrhenius base? LiOH NH3 H2PO4- HC2H3O2

What is transferred between a conjugate acid-base pair? An electron A proton A hydroxide ion A hydronium ion

What is the term used to describe a substance that can be both an acid and a base? amphoteric amphoprotric Bronsted acid / base Arrhenius acid / base

In the reaction, NH4+ + H20  NH4 + H30+, water behaves as a(n) Arrhenius acid Arrhenius base Bronsted-Lowry acid Bronsted-Lowry base

In the reaction, CO32- + H20  HC03- + OH-, the carbonate ion behaves as a(n) Arrhenius acid Arrhenius base Bronsted-Lowry acid Bronsted-Lowry base

Which of the following represents a Bronsted-Lowry conjugate acid- base pair? SO32- and SO2 CO32- and CO H30 and H2 NH4+ and NH3

What is an acid, according to Lewis? A substance that ionizes to yield protons in aqueous solution A substance that is a hydrogen ion donor A substance that accepts an electron pair A substance that is a hydrogen ion acceptor A substance that donates an electron pair

What is the concentration of hydrochloric acid if 20 What is the concentration of hydrochloric acid if 20.0 ml of acid is neutralized by 30.0 ml of 0.20 N sodium hydroxide? 0.06M 0.14 M 0.30 M 0.60 M

How many milliliters of 0. 20N NaOH are required to neutralize 30 How many milliliters of 0.20N NaOH are required to neutralize 30.0 mL of 0.50N HCI? 12 mL 50 mL 75 mL 100 mL

How many grams of sodium hydroxide are in 500 mL of a 0 How many grams of sodium hydroxide are in 500 mL of a 0.1N NaOH solution? 2 g 4 g 20 g 40 g

What does a buffer do? Keeps the pH of a solution constant Keeps the salt concentration of a solution constant Keeps the sodium concentration constant Keeps the chloride concentration constant