The oxidation number of S in K2SO4 is

A) +6 B) +4 C) +2 D) -1 E) None of the above. A) +6 B) +4 C) +2 D) -1 E) None of the above.

Exam 4: Reactions in Aqueous Solutions

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During a titration the following data were collected.A 50.0 mL portion of an HCl solution was titrated with 0.500 M NaOH; 200.mL of the base was required to neutralize the sample.How many grams of HCl are present in 500.mL of this acid solution?

(Short Answer)

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Question 101

Based on the solubility rules, which of the following compounds should be insoluble in water?

(Multiple Choice)

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Question 102

Identify the following compound as a strong electrolyte, weak electrolyte, or nonelectrolyte: H₃PO₄

(Short Answer)

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Question 103

What mass of C₆H₁₂O₆ (glucose)is needed to prepare 450.mL of a 0.650 M solution of glucose in water?

(Multiple Choice)

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Question 104

Determine the oxidation number of each of the elements in Cs₂Cr₂O₇?

(Essay)

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Question 105

Using the redox reaction below determine which element is oxidized and which is reduced. 4NH₃ + 3Ca(ClO)₂ $\rarr$ 2N₂ + 6H₂O + 3CaCl₂

(Multiple Choice)

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Question 106

Which of the following is NOT a redox reaction?

(Multiple Choice)

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Question 107

Identify the oxidizing agent in the following reaction. 4Al + 3O₂ $\rarr$ 2Al₂O₃

(Short Answer)

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Question 108

Identify the major ionic species present in an aqueous solution of K₂SO₄.

(Multiple Choice)

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Question 109

Determine the oxidation number of each of the elements in BaNaPO₄?

(Essay)

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Question 110

Thorium metal is prepared by reacting thorium oxide with calcium as shown below. ThO₂ + 2Ca $\rarr$ Th + 2CaO What is the oxidizing agent in this process?

(Short Answer)

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Question 111

If 145 grams of potassium nitrate were added to water to make 1,500 mL of solution.What would the molarity of the resulting solution be?

(Short Answer)

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Question 112

What volume (mL)of a 0.3428 M HCl(aq)solution is required to completely neutralize 23.55 mL of a 0.2350 M Ba(OH)₂(aq)solution?

(Multiple Choice)

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Question 113

Identify the following compound as a strong electrolyte, weak electrolyte, or nonelectrolyte: CH₃OH (methanol).

(Short Answer)

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Question 114

The oxidation number of S in K₂SO₄ is

(Multiple Choice)

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Question 115

Which of the following compounds is a strong electrolyte?

(Multiple Choice)

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Question 116

During a titration the following data were collected.A 10.mL portion of an unknown monoprotic acid solution was titrated with 1.0 M NaOH; 40.mL of the base were required to neutralize the sample.How many moles of acid are present in 2.0 liters of this unknown solution?

(Short Answer)

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Question 117

Give an example of a triprotic acid.

(Short Answer)

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Question 118

Identify the correct net ionic equation for the reaction that occurs when solutions of Na₃PO₄ and Ca(NO₃)₂ are mixed

(Multiple Choice)

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Question 119

Select the compound in which sulfur has its highest possible oxidation number.

(Multiple Choice)

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Question 120

Showing 101 - 120 of 186

Exam 4: Reactions in Aqueous Solutions

During a titration the following data were collected.A 50.0 mL portion of an HCl solution was titrated with 0.500 M NaOH; 200.mL of the base was required to neutralize the sample.How many grams of HCl are present in 500.mL of this acid solution?

Based on the solubility rules, which of the following compounds should be insoluble in water?

Identify the following compound as a strong electrolyte, weak electrolyte, or nonelectrolyte: H3PO4

What mass of C6H12O6 (glucose)is needed to prepare 450.mL of a 0.650 M solution of glucose in water?

Determine the oxidation number of each of the elements in Cs2Cr2O7?

Using the redox reaction below determine which element is oxidized and which is reduced. 4NH3 + 3Ca(ClO)2 →\rarr→ 2N2 + 6H2O + 3CaCl2

Which of the following is NOT a redox reaction?

Identify the oxidizing agent in the following reaction. 4Al + 3O2 →\rarr→ 2Al2O3

Identify the major ionic species present in an aqueous solution of K2SO4.

Determine the oxidation number of each of the elements in BaNaPO4?

Thorium metal is prepared by reacting thorium oxide with calcium as shown below. ThO2 + 2Ca →\rarr→ Th + 2CaO What is the oxidizing agent in this process?

If 145 grams of potassium nitrate were added to water to make 1,500 mL of solution.What would the molarity of the resulting solution be?

What volume (mL)of a 0.3428 M HCl(aq)solution is required to completely neutralize 23.55 mL of a 0.2350 M Ba(OH)2(aq)solution?

Identify the following compound as a strong electrolyte, weak electrolyte, or nonelectrolyte: CH3OH (methanol).

The oxidation number of S in K2SO4 is

Which of the following compounds is a strong electrolyte?

During a titration the following data were collected.A 10.mL portion of an unknown monoprotic acid solution was titrated with 1.0 M NaOH; 40.mL of the base were required to neutralize the sample.How many moles of acid are present in 2.0 liters of this unknown solution?

Give an example of a triprotic acid.

Identify the correct net ionic equation for the reaction that occurs when solutions of Na3PO4 and Ca(NO3)2 are mixed

Select the compound in which sulfur has its highest possible oxidation number.

Chemistry: the Study of Change

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Mass Relationships in Chemical Reactions

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Periodic Relationships Among the Elements

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Chemical Bonding Ii: Molecular Geometry and Hybridization of Atomic Orbitals

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Physical Properties of Solutions

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Acid-Base Equilibria and Solubility Equilibria

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Identify the following compound as a strong electrolyte, weak electrolyte, or nonelectrolyte: H₃PO₄

What mass of C₆H₁₂O₆ (glucose)is needed to prepare 450.mL of a 0.650 M solution of glucose in water?

Determine the oxidation number of each of the elements in Cs₂Cr₂O₇?

Using the redox reaction below determine which element is oxidized and which is reduced. 4NH₃ + 3Ca(ClO)₂ $\rarr$ 2N₂ + 6H₂O + 3CaCl₂

Identify the oxidizing agent in the following reaction. 4Al + 3O₂ $\rarr$ 2Al₂O₃

Identify the major ionic species present in an aqueous solution of K₂SO₄.

Determine the oxidation number of each of the elements in BaNaPO₄?

Thorium metal is prepared by reacting thorium oxide with calcium as shown below. ThO₂ + 2Ca $\rarr$ Th + 2CaO What is the oxidizing agent in this process?

What volume (mL)of a 0.3428 M HCl(aq)solution is required to completely neutralize 23.55 mL of a 0.2350 M Ba(OH)₂(aq)solution?

Identify the following compound as a strong electrolyte, weak electrolyte, or nonelectrolyte: CH₃OH (methanol).

The oxidation number of S in K₂SO₄ is

Identify the correct net ionic equation for the reaction that occurs when solutions of Na₃PO₄ and Ca(NO₃)₂ are mixed