What are the respective concentrations (M)of Na+ and SO42- afforded by dissolving 0.500 mol Na2SO4 in water and diluting to 1.33 L?

A) 0.665 and 0.665 B) 0.665 and 1.33 C) 1.33 and 0.665 D) 0.376 and 0.752 E) 0.752 and 0.376 A) 0.665 and 0.665 B) 0.665 and 1.33 C) 1.33 and 0.665 D) 0.376 and 0.752 E) 0.752 and 0.376

A 0.200 M K2SO4 solution is produced by __________.

A) dilution of 250.0 mL of 1.00 M K2SO4 to 1.00 L B) dissolving 43.6 g of K2SO4 in water and diluting to a total volume of 250.0 mL C) diluting 20.0 mL of 5.00 M K2SO4 solution to 500.0 mL D) dissolving 20.2 g of K2SO4 in water and diluting to 250.0 mL, then diluting 25.0 mL of this solution to a total volume of 500.0 mL E) dilution of 1.00 mL of 250 M K2SO3 to 1.00 L A) dilution of 250.0 mL of 1.00 M K2SO4 to 1.00 L B) dissolving 43.6 g of K2SO4 in water and diluting to a total volume of 250.0 mL C) diluting 20.0 mL of 5.00 M K2SO4 solution to 500.0 mL D) dissolving 20.2 g of K2SO4 in water and diluting to 250.0 mL, then diluting 25.0 mL of this solution to a total volume of 500.0 mL E) dilution of 1.00 mL of 250 M K2SO3 to 1.00 L

Based on the equations below, which metal is the most active? Pb(NO3)2 (aq)+ Ni (s)→ Ni(NO3)2 (aq)+ Pb (s) Pb(NO3)2 (aq)+ Ag (s)→ No reaction Cu(NO3)2 (aq)+ Ni (s)→ Ni(NO3)2 (aq)+ Cu (s)

A) Ni B) Ag C) Cu D) Pb E) N A) Ni B) Ag C) Cu D) Pb E) N

Exam 4: Aqueous Reactions and Solution Stoichiometry

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A 17.5 mL sample of an acetic acid (CH₃CO₂H)solution required 29.6 mL of 0.250 M NaOH for neutralization. The concentration of acetic acid was __________ M.

(Multiple Choice)

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Question 141

What are the respective concentrations (M)of Na⁺ and SO₄^2-afforded by dissolving 0.500 mol Na₂SO₄ in water and diluting to 1.33 L?

(Multiple Choice)

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Question 142

Of the following elements, __________ is the only one that cannot be found in nature in its elemental form. Cu Hg Au Ag Na

(Multiple Choice)

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Question 143

Zinc is more active than cobalt and iron but less active than aluminum. Cobalt is more active than nickel but less active than iron. Which of the following correctly lists the elements in order of increasing activity?

(Multiple Choice)

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Question 144

__________ is an oxidation reaction.

(Multiple Choice)

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Question 145

The concentration (M)of an aqueous methanol produced when 0.200 L of a 2.00 M solution was diluted to 0.800 L is __________.

(Multiple Choice)

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Question 146

In which species does nitrogen have the highest oxidation number?

(Multiple Choice)

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Question 147

Oxidation is the and reduction is the .

(Multiple Choice)

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Question 148

Which one of the following is a weak acid?

(Multiple Choice)

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Question 149

The spectator ions in the reaction between aqueous hydrochloric acid and aqueous ammonia are __________.

(Multiple Choice)

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Question 150

What mass (g)of potassium chloride is contained in 430.0 mL of a potassium chloride solution that has a chloride ion concentration of 0.193 M?

(Multiple Choice)

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Question 151

In which reaction does the oxidation number of oxygen increase?

(Multiple Choice)

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Question 152

What is the concentration (M)of CH₃OH in a solution prepared by dissolving 16.8 g of CH₃OH in sufficient water to give exactly 230 mL of solution?

(Short Answer)

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Question 153

Based on the activity series, which one of the reactions below will occur?

(Multiple Choice)

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Question 154

Which of these metals is the least easily oxidized? Na Au Fe Ca Ag

(Multiple Choice)

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Question 155

What are the spectator ions in the reaction between KOH (aq)and HNO₃ (aq)?

(Multiple Choice)

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Question 156

A 0.200 M K₂SO₄solution is produced by __________.

(Multiple Choice)

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Question 157

Based on the equations below, which metal is the most active? Pb(NO₃)₂ (aq)+ Ni (s)→ Ni(NO₃)₂ (aq)+ Pb (s) Pb(NO₃)₂ (aq)+ Ag (s)→ No reaction Cu(NO₃)₂ (aq)+ Ni (s)→ Ni(NO₃)₂ (aq)+ Cu (s)

(Multiple Choice)

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Question 158

What is the concentration (M)of a NaCl solution prepared by dissolving 7.2 g of NaCl in sufficient water to give 425 mL of solution?

(Short Answer)

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Question 159

How many grams of NaOH (MW = 40.0)are there in 100.0 mL of a 0.175 M NaOH solution?

(Multiple Choice)

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Question 160

Showing 141 - 160 of 177

Exam 4: Aqueous Reactions and Solution Stoichiometry

A 17.5 mL sample of an acetic acid (CH3CO2H)solution required 29.6 mL of 0.250 M NaOH for neutralization. The concentration of acetic acid was __________ M.

What are the respective concentrations (M)of Na+ and SO42- afforded by dissolving 0.500 mol Na2SO4 in water and diluting to 1.33 L?

Of the following elements, __________ is the only one that cannot be found in nature in its elemental form. Cu Hg Au Ag Na

Zinc is more active than cobalt and iron but less active than aluminum. Cobalt is more active than nickel but less active than iron. Which of the following correctly lists the elements in order of increasing activity?

__________ is an oxidation reaction.

The concentration (M)of an aqueous methanol produced when 0.200 L of a 2.00 M solution was diluted to 0.800 L is __________.

In which species does nitrogen have the highest oxidation number?

Oxidation is the __________ and reduction is the __________.

Which one of the following is a weak acid?

The spectator ions in the reaction between aqueous hydrochloric acid and aqueous ammonia are __________.

What mass (g)of potassium chloride is contained in 430.0 mL of a potassium chloride solution that has a chloride ion concentration of 0.193 M?

In which reaction does the oxidation number of oxygen increase?

What is the concentration (M)of CH3OH in a solution prepared by dissolving 16.8 g of CH3OH in sufficient water to give exactly 230 mL of solution?

Based on the activity series, which one of the reactions below will occur?

Which of these metals is the least easily oxidized? Na Au Fe Ca Ag

What are the spectator ions in the reaction between KOH (aq)and HNO3 (aq)?

A 0.200 M K2SO4 solution is produced by __________.

Based on the equations below, which metal is the most active? Pb(NO3)2 (aq)+ Ni (s)→ Ni(NO3)2 (aq)+ Pb (s) Pb(NO3)2 (aq)+ Ag (s)→ No reaction Cu(NO3)2 (aq)+ Ni (s)→ Ni(NO3)2 (aq)+ Cu (s)

What is the concentration (M)of a NaCl solution prepared by dissolving 7.2 g of NaCl in sufficient water to give 425 mL of solution?

How many grams of NaOH (MW = 40.0)are there in 100.0 mL of a 0.175 M NaOH solution?

Introduction: Matter and Measurement

Atoms, Molecules, and Ions

Stoichiometry: Calculations With Chemical Formulas and Equations

Thermochemistry

Electronic Structure of Atoms

Periodic Properties of the Elements

Basic Concepts of Chemical Bonding

Molecular Geometry and Bonding Theories

Gases

Liquids and Intermolecular Forces

Solids and Modern Materials

Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acid-Base Equilibria

Additional Aspects of Aqueous Equilibria

Chemistry of the Environment

Chemical Thermodynamics

Electrochemistry

Nuclear Chemistry

Chemistry of the Nonmetals

Transition Metals and Coordination Chemistry

The Chemistry of Life: Organic and Biological Chemistry

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A 17.5 mL sample of an acetic acid (CH₃CO₂H)solution required 29.6 mL of 0.250 M NaOH for neutralization. The concentration of acetic acid was __________ M.

What are the respective concentrations (M)of Na⁺ and SO₄^2-afforded by dissolving 0.500 mol Na₂SO₄ in water and diluting to 1.33 L?

Oxidation is the and reduction is the .

What is the concentration (M)of CH₃OH in a solution prepared by dissolving 16.8 g of CH₃OH in sufficient water to give exactly 230 mL of solution?

What are the spectator ions in the reaction between KOH (aq)and HNO₃ (aq)?

A 0.200 M K₂SO₄solution is produced by __________.

Based on the equations below, which metal is the most active? Pb(NO₃)₂ (aq)+ Ni (s)→ Ni(NO₃)₂ (aq)+ Pb (s) Pb(NO₃)₂ (aq)+ Ag (s)→ No reaction Cu(NO₃)₂ (aq)+ Ni (s)→ Ni(NO₃)₂ (aq)+ Cu (s)