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Acids and Bases ICS Madrid

1 Acids and Bases ICS Madrid. 2 Revision l When an acid reacts with a base, which compound(s) are formed? l What is the name of H 2 SO 4 ? l What is the

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1

Acids and Bases

ICS Madrid

2

RevisionWhen an acid reacts with a base,

which compound(s) are formed?What is the name of H2SO4?What is the formula for

phosphoric acid?Give four properties of acids.Give four properties of bases.

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Acids and bases: revisionWhat is the charge on the

hydroxonium ion?If the hydrogen ion concentration

is 10-10 M, is the solution acidic, alkaline, or neutral?

If the [H+] in a solution is 1 x 10-1 mol/dm3, what is the [OH-]?

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pH and concentration of strong acids and bases

If the hydrogen ion concentration is 10-7 M, what is the pH of the solution?

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

If the pH is 9, what is the concentration of the hydroxide ion?

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If the pH is 6, what is the concentration of the hydrogen ion?

How many free hydrogen ions are there in one litre of water?

A litre of impure water has 10-4 mol of hydroxide ions. What is the concentration of hydrogen ions in this sample of water?

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What is the concentration of hydrogen ions in a neutral solution?

What is value of the ion-product constant for water?

For a solution to be classified as acidic, the hydrogen-ion concentration must be _____ than the hydroxide-ion concentration.

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questionsA solution in which the hydroxide

ion concentration is 1 x 10-4 M is ______.

A solution in which the hydroxide ion concentration is 1 x 10-8 M is ______.

The formula of the hydrogen ion is often written as ______.

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The products of self-ionization of water are _____.

Which is most basic: a) [OH1-] = 1 x 10-4 M, or b) [H1+] = 1 x 10-11 M?

In a neutral solution, the [H1+] is ______.

What is pH?

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Which type of solution is one with a pH of 8?

An indicator is what type of compound?

In the reaction of aluminum bromide with ionised sodium bromide, which compound is the Lewis acid?

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In the reaction of water with hydrogen ions, which compound is the Lewis base?

What is an acid according to Arrhenius?

What type of acid (mono-, di-, or triprotic) is sulphuric acid?

Which hydrogens can ionise in a compound?

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Which hydroxides can ionise in a compound?

Which hydroxide compound yields the lowest concentration of hydroxide ions in aqueous solution: a) magnesium hydroxide, or b) potassium hydroxide?

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Which acid is monoprotic: a) H2SO4, or b) CH3COOH?

Which acid is dibasic

a) H2SO4, or b) CH3COOH?

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Which is an Arrhenius base: a) LiOH, or b) CH3COOH?

What is an acid, according to Bronsted?

Which of the following is a Bronsted-Lowry base, but not an Arrhenius base: a) sodium hydroxide, or b) ammonia?

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Which compound can act as both a Bronsted-Lowry acid and a Bronsted-Lowry base: a) water, or b) sodium chloride?

What type of acid or base is the ammonium ion?

What is a conjugate acid made from?

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What is transferred between a conjugate acid-base pair?

What is the term used to describe a substance that can be both an acid and a base?

In the reaction: NH4+ + H2O

NH3 + H3O+, water is acting as a(n) ______.

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In the reaction: CO3- + H2O

HCO3- + OH-, the carbonate ion is

acting as a(n) _____.What does amphoteric mean?Identify the Bronsted-Lowry bases

in this reaction: H2S + H2O H3O+ + HS-.

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Which of the following represents a Bronsted-Lowry conjugate acid-base pair: a) NH4

1+ and NH3 or b) SO3

2- and SO2?According to the Bronsted-Lowry

theory, water acts as a base when it ______.

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What are the acids in the following equilibrium reaction: CN- + H2O HCN + OH-

What is an “acid”, according to Lewis?

Which acid is only a Lewis acid, and not any other kind: a) water, or b) boron trifluoride?

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A hydrogen ion is what type of acid?

A Lewis acid is a substance that can _____.

What is the acid dissociation constant of a weak acid, if a concentration of 0.3 M gives a hydrogen ion concentration of 0.001 M?

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What is the hydrogen ion concentration, if the acid dissociation constant is 1 x 10-6 M and the acid concentration is 0.01 M?

What characterizes a “strong” acid or base?

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The acid dissociation constant for an acid dissolved in water is equal to the ______.

What is another name for the acid dissociation constant?

What is the value of the acid dissociation constant for a weak acid?

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How many ionization constants are associated with sulphuric acid?

Which ionization constant is the largest for phosphoric acid?

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Which of the following acids can be concentrated, but is always weak:

a) ethanoic acidb) nitric acid?

Ka for HF = 6.7 x 10-4. If we have a 0.1 M solution, then [HF] is _______ than [H+] x [F-].

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A 0.12 M solution of an acid that ionises only slightly in solution would be termed ___ and ___.

Which of the following pairs consists of a weak acid and a strong base: a) sulphuric acid and sodium hydroxide, or b) acetic acid and sodium hydroxide?

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What does “strong” mean when referring to acids and bases?

Ethanoic acid ionizes in water as:1%

CH3COOH + H2O CH3COO- + H3O+

@ 99%

The ethanoate ion (CH3COO-) is therefore a good _______

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A 12.0 M solution of an acid that ionises completely in solution would be termed ___ and ____.