Which of the following acids is considered a strong acid when dissolved in water? I. HNO2 (Nitrous acid) II. HClO4 (Perchloric acid) III. HF (Hydrofluoric acid)

A) I only B) II only C) III only D) I and II E) All of these A) I only B) II only C) III only D) I and II E) All of these

The conjugate acid of HPO42 - is:

A) H3PO4 B) H2PO4 - C) PO43 - D) H+ E) none of these A) H3PO4 B) H2PO4 - C) PO43 - D) H+ E) none of these

What is the pH of 2.7 M Ba(OH)2?

A) pH = - 0.726 B) pH = 0.425 C) pH = 5.32 D) pH = 13.27 E) pH = 14.73 A) pH = - 0.726 B) pH = 0.425 C) pH = 5.32 D) pH = 13.27 E) pH = 14.73

Calculate the pH of 0.010 M NH4Cl. K b for NH3 is 1.8×10 - 5.

A) 2.00 B) 12.00 C) 5.63 D) 3.37 E) none of these A) 2.00 B) 12.00 C) 5.63 D) 3.37 E) none of these

What is the conjugate acid of HSO41 - ?

A) H2SO4 B) H2SO42 - C) SO4 D) SO42 - E) H3O+ A) H2SO4 B) H2SO42 - C) SO4 D) SO42 - E) H3O+

Exam 15: Solutions of Acids and Bases

Which of the following acids is considered a strong acid when dissolved in water? I. HNO₂ (Nitrous acid) II. HClO₄ (Perchloric acid) III. HF (Hydrofluoric acid)

(Multiple Choice)

4.8/5

(34)

Question 141

Which of the following is a property of a base? I. Slippery to touch. II. Tastes bitter. III. Reacts with active metals to form H₂ gas.

(Multiple Choice)

4.8/5

(41)

Question 142

If the pH of a solution is 4.40:

(Multiple Choice)

4.9/5

(41)

Question 143

Which of the following is considered a strong acid when dissolved in water?

(Multiple Choice)

4.9/5

(43)

Question 144

Consider the following Bronsted-Lowery acid-base reaction: HClO ₂ + N(CH ₃) ₃ HN(CH ₃) ₃+ + ClO ₂ 1 -Which two substances represent Bronsted-Lowery bases in this reaction?

(Multiple Choice)

4.8/5

(42)

Question 145

The conjugate acid of HPO₄^{2 -} is:

(Multiple Choice)

4.8/5

(30)

Question 146

Regarding acid strength, which of the following is falsely labeled?

(Multiple Choice)

4.8/5

(35)

Question 147

The hydrogen ion concentration of a 0.0010 M solution of hypochlorous acid ( K _a = 3.0×10^{- 8}) is:

(Multiple Choice)

4.7/5

(35)

Question 148

Which of the following aqueous solutions is(are) considered basic ? I. [OH^-] = 6.2×10^{- 8} II. [H₃O⁺] = 3.8×10^{- 12} III. pOH = 2.5

(Multiple Choice)

4.8/5

(32)

Question 149

Which of the following aqueous solutions is(are) considered acidic ? I. A solution with [OH^-] = 2.5×10^{- 8} II. A solution with [H₃O⁺] = 1×10^{- 7} III. A solution with a pOH = 8

(Multiple Choice)

4.8/5

(32)

Question 150

What is the pH of 2.7 M Ba(OH)₂?

(Multiple Choice)

4.8/5

(33)

Question 151

What is the pH of 0.0040 M HCl ?

(Multiple Choice)

4.8/5

(39)

Question 152

Calculate the pH of 0.010 M NH₄Cl. K _b for NH₃ is 1.8×10^{- 5}.

(Multiple Choice)

4.8/5

(35)

Question 153

Which acid listed below would be the strongest given the corresponding base ionization constants for their conjugate bases?

(Multiple Choice)

4.9/5

(36)

Question 154

Which base listed below would be the strongest given the corresponding acid ionization constants for their conjugate acids?

(Multiple Choice)

5.0/5

(37)

Question 155

What is the conjugate acid of HSO₄^{1 -}?

(Multiple Choice)

4.8/5

(39)

Question 156

Consider the acid strengths of the binary hydrides of Group VIA (16) H₂O, H₂S, H₂Se, and H₂Te.

(Multiple Choice)

4.7/5

(33)

Question 157

An amphoteric substance:

(Multiple Choice)

4.9/5

(35)

Question 158

Phenylacetic acid is one of the substances that accumulates in the blood of persons with phenylketonuria, an inherited disorder that can cause mental retardation or even death. A 0.085 M solution of this substance is found to have a pH of 2.68. What is the acid ionization constant , K _a, for this acid?

(Multiple Choice)

4.8/5

(43)

Question 159

Which of the following is considered a strong acid when dissolved in water? I. HClO₂ II. HBr III. HNO₃

(Multiple Choice)

4.9/5

(44)

Question 160

Showing 141 - 160 of 179

Exam 15: Solutions of Acids and Bases

Which of the following acids is considered a strong acid when dissolved in water? I. HNO2 (Nitrous acid) II. HClO4 (Perchloric acid) III. HF (Hydrofluoric acid)

Which of the following is a property of a base? I. Slippery to touch. II. Tastes bitter. III. Reacts with active metals to form H2 gas.

If the pH of a solution is 4.40:

Which of the following is considered a strong acid when dissolved in water?

Consider the following Bronsted-Lowery acid-base reaction: HClO ₂ + N(CH ₃) ₃ HN(CH ₃) ₃+ + ClO ₂ 1 -Which two substances represent Bronsted-Lowery bases in this reaction?

The conjugate acid of HPO42 - is:

Regarding acid strength, which of the following is falsely labeled?

The hydrogen ion concentration of a 0.0010 M solution of hypochlorous acid ( K a = 3.0×10 - 8) is:

Which of the following aqueous solutions is(are) considered basic ? I. [OH - ] = 6.2×10 - 8 II. [H3O+] = 3.8×10 - 12 III. pOH = 2.5

Which of the following aqueous solutions is(are) considered acidic ? I. A solution with [OH - ] = 2.5×10 - 8 II. A solution with [H3O+] = 1×10 - 7 III. A solution with a pOH = 8

What is the pH of 2.7 M Ba(OH)2?

What is the pH of 0.0040 M HCl ?

Calculate the pH of 0.010 M NH4Cl. K b for NH3 is 1.8×10 - 5.

Which acid listed below would be the strongest given the corresponding base ionization constants for their conjugate bases?

Which base listed below would be the strongest given the corresponding acid ionization constants for their conjugate acids?

What is the conjugate acid of HSO41 - ?

Consider the acid strengths of the binary hydrides of Group VIA (16) H2O, H2S, H2Se, and H2Te.

An amphoteric substance:

Which of the following is considered a strong acid when dissolved in water? I. HClO2 II. HBr III. HNO3

Introduction to Chemistry

Atoms, Molecules, and Ions

Equations, the Mole, and Chemical Formulas

Chemical Reactions in Solution

Thermochemistry

The Gaseous State

Electronic Structure

The Periodic Table: Structure and Trends

Chemical Bonds

Molecular Structure and Bonding Theories

Liquids and Solids

Solutions

Chemical Kinetics

Chemical Equilibrium

Reactions Between Acids and Bases

Chemical Thermodynamics

Electrochemistry

Transition Metals, Coordination Chemistry and Metallurgy

The Chemistry of Hydrogen, Elements in Groups 3A Through 6A, and the Noble Gases

Nuclear Chemistry

Organic Chemistry and Biochemistry

Filters

Which of the following acids is considered a strong acid when dissolved in water? I. HNO₂ (Nitrous acid) II. HClO₄ (Perchloric acid) III. HF (Hydrofluoric acid)

Which of the following is a property of a base? I. Slippery to touch. II. Tastes bitter. III. Reacts with active metals to form H₂ gas.

The conjugate acid of HPO₄^{2 -} is:

The hydrogen ion concentration of a 0.0010 M solution of hypochlorous acid ( K _a = 3.0×10^{- 8}) is:

Which of the following aqueous solutions is(are) considered basic ? I. [OH^-] = 6.2×10^{- 8} II. [H₃O⁺] = 3.8×10^{- 12} III. pOH = 2.5

Which of the following aqueous solutions is(are) considered acidic ? I. A solution with [OH^-] = 2.5×10^{- 8} II. A solution with [H₃O⁺] = 1×10^{- 7} III. A solution with a pOH = 8

What is the pH of 2.7 M Ba(OH)₂?

Calculate the pH of 0.010 M NH₄Cl. K _b for NH₃ is 1.8×10^{- 5}.

What is the conjugate acid of HSO₄^{1 -}?

Consider the acid strengths of the binary hydrides of Group VIA (16) H₂O, H₂S, H₂Se, and H₂Te.

Which of the following is considered a strong acid when dissolved in water? I. HClO₂ II. HBr III. HNO₃