TEST_DE_CH_5.3_Acids, Salts and Bases

Obavezno

1

Salts dissociate into component ions when placed in

a flame

a basic solution

a neutral solution

water

Obavezno

1

What is the approximate pOH of a strong base?

1-2

3-4

8-9

10-11

Obavezno

3

Match the following acid/base theories with the correct definition.

Stavka koja se može prevući		Odgovarajuća stavka
Brønsted-Lowry acid		any substance that can accept a hydrogen ion (proton)
Lewis acid		any substance that can donate a hydrogen ion (proton)
Arrhenius base		any substance which, when dissolved in water, tends to increase the number of H+ ions present
Brønsted-Lowry base		any substance which, when dissolved in water, tends to decrease the number of H+ ions present
Lewis base		electron pair acceptor
Arrhenius acid		electron pair donor

Obavezno

1

Amphoterism is the ability of a chemical to act as

a neutralizer

an indicator

a buffer

an acid or a base

Obavezno

1

Obavezno

1

The concentration of an acid or base is defined as the ratio of the amount of _____.

solvent to the amount of solute in a solution

conjugate acid to conjugate base

conjugate base to conjugate acid

solute to the amount of solvent in a solution

Obavezno

1

2

Drugi mogući odgovor:

CO₃SO₄

Na₂SO₄

CuCO₃

Na₂CO₃

CuSO₄

Na₂Cu

2

Obavezno

1

Normality (N) is a direct expression of

pH

dissociation

concentration

ionization

Obavezno

2

Use the given pH and pOH values to arrange the solutions from most acidic to most alkaline.

pH 6
pOH 11
pOH 4
pH 2
pH 12

Obavezno

2

Obavezno

2

Arrange these acids from weakest to strongest based on their K(a) value at 25°C.

Oxalic Acid:
Nitrous Acid:
Phosphoric Acid:
Ethanoic Acid:
Benzoic Acid:

Obavezno

1

If the concentration of H⁺ ions in a solution is
3.16 x 10⁻⁴ mol/L, then what is the concentration of OH⁻ ions?

3.16 x 10⁻¹⁴ mol/L

3.16 x 10⁻¹³ mol/L

3.16 x 10⁻¹¹ mol/L

3.16 x 10⁻⁴ mol/L

Obavezno

1

A solution of pH 4 is _______ times more acidic than a solution of pH 5.

1

10

20

100

Obavezno

2

TEST_DE_CH_5.3_Acids, Salts and Bases

Salts dissociate into component ions when placed in

What is the approximate pOH of a strong base?

Match the following acid/base theories with the correct definition.

Amphoterism is the ability of a chemical to act as

The concentration of an acid or base is defined as the ratio of the amount of _____.

Normality (N) is a direct expression of

Use the given pH and pOH values to arrange the solutions from most acidic to most alkaline.

Arrange these acids from weakest to strongest based on their K(a) value at 25°C.

If the concentration of H⁺ ions in a solution is
3.16 x 10⁻⁴ mol/L, then what is the concentration of OH⁻ ions?

A solution of pH 4 is _______ times more acidic than a solution of pH 5.

What volume of 1.3 M Mg(OH)₂ (strong base) is required to neutralize 650 mL of 0.70 M HBr (strong acid).
(Remember to include your units)

Salts dissociate into component ions when placed in

What is the approximate pOH of a strong base?

Match the following acid/base theories with the correct definition.

Amphoterism is the ability of a chemical to act as

The concentration of an acid or base is defined as the ratio of the amount of _____.

Normality (N) is a direct expression of

Use the given pH and pOH values to arrange the solutions from most acidic to most alkaline.

Arrange these acids from weakest to strongest based on their K(a) value at 25°C.

If the concentration of H⁺ ions in a solution is
3.16 x 10⁻⁴ mol/L, then what is the concentration of OH⁻ ions?

A solution of pH 4 is _______ times more acidic than a solution of pH 5.

What volume of 1.3 M Mg(OH)₂ (strong base) is required to neutralize 650 mL of 0.70 M HBr (strong acid).
(Remember to include your units)

TEST_DE_CH_5.3_Acids, Salts and Bases

TEST_DE_CH_5.3_Acids, Salts and Bases

Salts dissociate into component ions when placed in

What is the approximate pOH of a strong base?

Match the following acid/base theories with the correct definition.

Amphoterism is the ability of a chemical to act as

The concentration of an acid or base is defined as the ratio of the amount of _____.

Normality (N) is a direct expression of

Use the given pH and pOH values to arrange the solutions from most acidic to most alkaline.

Arrange these acids from weakest to strongest based on their K(a) value at 25°C.

If the concentration of H⁺ ions in a solution is 3.16 x 10⁻⁴ mol/L, then what is the concentration of OH⁻ ions?

A solution of pH 4 is _______ times more acidic than a solution of pH 5.

What volume of 1.3 M Mg(OH)2 (strong base) is required to neutralize 650 mL of 0.70 M HBr (strong acid).​(Remember to include your units)

Salts dissociate into component ions when placed in

What is the approximate pOH of a strong base?

Match the following acid/base theories with the correct definition.

Amphoterism is the ability of a chemical to act as

The concentration of an acid or base is defined as the ratio of the amount of _____.

Normality (N) is a direct expression of

Use the given pH and pOH values to arrange the solutions from most acidic to most alkaline.

Arrange these acids from weakest to strongest based on their K(a) value at 25°C.

If the concentration of H⁺ ions in a solution is 3.16 x 10⁻⁴ mol/L, then what is the concentration of OH⁻ ions?

A solution of pH 4 is _______ times more acidic than a solution of pH 5.

What volume of 1.3 M Mg(OH)2 (strong base) is required to neutralize 650 mL of 0.70 M HBr (strong acid).​(Remember to include your units)

If the concentration of H⁺ ions in a solution is
3.16 x 10⁻⁴ mol/L, then what is the concentration of OH⁻ ions?

What volume of 1.3 M Mg(OH)₂ (strong base) is required to neutralize 650 mL of 0.70 M HBr (strong acid).
(Remember to include your units)

If the concentration of H⁺ ions in a solution is
3.16 x 10⁻⁴ mol/L, then what is the concentration of OH⁻ ions?

What volume of 1.3 M Mg(OH)₂ (strong base) is required to neutralize 650 mL of 0.70 M HBr (strong acid).
(Remember to include your units)