(a) Interpretation: The net ionic equation for the reaction in between CaCl 2 ( a q ) and Na 2 HPO 4 ( a q ) , where a precipitate form which is 38.7% Ca by mass, needs to be written. Concept introduction: Net ionic equation is the equation which includes only the chemical species that are involved in the reaction. Polyprotic acids are acids that can donate more than one proton to the solution. Most poly protic acids are weak acids which has several equilibrium steps in order to release the proton (H + ). According to Le Chatelier’s Principle, if any change in temperature, pressure, volume or concentration in the system takes place at equilibrium, a new equilibrium will establish to counteract the change.

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Answer 1

Question

Chapter 18, Problem 75IAE

Interpretation Introduction

(a)

Interpretation:

The net ionic equation for the reaction in between CaCl2(aq) and Na2HPO4(aq), where a precipitate form which is 38.7% Ca by mass, needs to be written.

Concept introduction:

Net ionic equation is the equation which includes only the chemical species that are involved in the reaction.

Polyprotic acids are acids that can donate more than one proton to the solution. Most poly protic acids are weak acids which has several equilibrium steps in order to release the proton (H⁺).

According to Le Chatelier’s Principle, if any change in temperature, pressure, volume or concentration in the system takes place at equilibrium, a new equilibrium will establish to counteract the change.

Interpretation Introduction

(b)

Interpretation:

The net ionic equation for the reaction between CO₂ (s) and Ca(OH)₂(aq), which involve formation of gas and a white precipitate that re-dissolved needs to be determined.

Concept introduction:

Net ionic equation is the equation which includes only the chemical species that are involved in the reaction.

Polyprotic acids are acids that can donate more than one proton to the solution. Most poly protic acids are weak acids which has several equilibrium steps in order to release the proton (H⁺).

According to Le Chatelier’s Principle, if any change in temperature, pressure, volume or concentration in the system takes place at equilibrium, a new equilibrium will establish to counteract the change.

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As part of a soil analysis on a plot of land, a scientist wants to determine the ammonium content using gravimetric analysis with sodium tetraphenylborate, Na+B(C6H5)4−. Unfortunately, the amount of potassium, which also precipitates with sodium tetraphenylborate, is non‑negligible and must be accounted for in the analysis. Assume that all potassium in the soil is present as K2CO3 and all ammonium is present as NH4Cl. A 5.095 g soil sample was dissolved to give 0.500 L of solution. A 150.0 mL aliquot was acidified and excess sodium tetraphenylborate was added to precipitate both K+ and NH4+ ions completely. B(C6H5)4-+K+⟶KB(C6H5)4(s) B(C6H5)4-+NH4+⟶NH4B(C6H5)4(s) The resulting precipitate amounted to 0.269 g. A new 300.0 mL aliquot of the original solution was made alkaline and heated to remove all of the NH4+ as NH3. The resulting solution was then acidified, and excess sodium tetraphenylborate was added to give 0.129 g of precipitate. Find the mass percentages of NH4Cl and…

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Answer 2

Question

Chapter 18, Problem 75IAE

Interpretation Introduction

(a)

Interpretation:

The net ionic equation for the reaction in between CaCl2(aq) and Na2HPO4(aq), where a precipitate form which is 38.7% Ca by mass, needs to be written.

Concept introduction:

Net ionic equation is the equation which includes only the chemical species that are involved in the reaction.

Polyprotic acids are acids that can donate more than one proton to the solution. Most poly protic acids are weak acids which has several equilibrium steps in order to release the proton (H⁺).

According to Le Chatelier’s Principle, if any change in temperature, pressure, volume or concentration in the system takes place at equilibrium, a new equilibrium will establish to counteract the change.

Interpretation Introduction

(b)

Interpretation:

The net ionic equation for the reaction between CO₂ (s) and Ca(OH)₂(aq), which involve formation of gas and a white precipitate that re-dissolved needs to be determined.

Concept introduction:

Net ionic equation is the equation which includes only the chemical species that are involved in the reaction.

Polyprotic acids are acids that can donate more than one proton to the solution. Most poly protic acids are weak acids which has several equilibrium steps in order to release the proton (H⁺).

According to Le Chatelier’s Principle, if any change in temperature, pressure, volume or concentration in the system takes place at equilibrium, a new equilibrium will establish to counteract the change.

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Answer 3

Question

Chapter 18, Problem 75IAE

Interpretation Introduction

(a)

Interpretation:

The net ionic equation for the reaction in between CaCl2(aq) and Na2HPO4(aq), where a precipitate form which is 38.7% Ca by mass, needs to be written.

Concept introduction:

Net ionic equation is the equation which includes only the chemical species that are involved in the reaction.

Polyprotic acids are acids that can donate more than one proton to the solution. Most poly protic acids are weak acids which has several equilibrium steps in order to release the proton (H⁺).

According to Le Chatelier’s Principle, if any change in temperature, pressure, volume or concentration in the system takes place at equilibrium, a new equilibrium will establish to counteract the change.

Interpretation Introduction

(b)

Interpretation:

The net ionic equation for the reaction between CO₂ (s) and Ca(OH)₂(aq), which involve formation of gas and a white precipitate that re-dissolved needs to be determined.

Concept introduction:

Net ionic equation is the equation which includes only the chemical species that are involved in the reaction.

Polyprotic acids are acids that can donate more than one proton to the solution. Most poly protic acids are weak acids which has several equilibrium steps in order to release the proton (H⁺).

According to Le Chatelier’s Principle, if any change in temperature, pressure, volume or concentration in the system takes place at equilibrium, a new equilibrium will establish to counteract the change.

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Answer 4

Question

Chapter 18, Problem 75IAE

Interpretation Introduction

(a)

Interpretation:

The net ionic equation for the reaction in between CaCl2(aq) and Na2HPO4(aq), where a precipitate form which is 38.7% Ca by mass, needs to be written.

Concept introduction:

Net ionic equation is the equation which includes only the chemical species that are involved in the reaction.

Polyprotic acids are acids that can donate more than one proton to the solution. Most poly protic acids are weak acids which has several equilibrium steps in order to release the proton (H⁺).

According to Le Chatelier’s Principle, if any change in temperature, pressure, volume or concentration in the system takes place at equilibrium, a new equilibrium will establish to counteract the change.

Interpretation Introduction

(b)

Interpretation:

The net ionic equation for the reaction between CO₂ (s) and Ca(OH)₂(aq), which involve formation of gas and a white precipitate that re-dissolved needs to be determined.

Concept introduction:

Net ionic equation is the equation which includes only the chemical species that are involved in the reaction.

Polyprotic acids are acids that can donate more than one proton to the solution. Most poly protic acids are weak acids which has several equilibrium steps in order to release the proton (H⁺).

According to Le Chatelier’s Principle, if any change in temperature, pressure, volume or concentration in the system takes place at equilibrium, a new equilibrium will establish to counteract the change.

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Answer 5

Chapter 18, Problem 75IAE

Interpretation Introduction

(a)

Interpretation:

The net ionic equation for the reaction in between CaCl2(aq) and Na2HPO4(aq), where a precipitate form which is 38.7% Ca by mass, needs to be written.

Concept introduction:

Net ionic equation is the equation which includes only the chemical species that are involved in the reaction.

Polyprotic acids are acids that can donate more than one proton to the solution. Most poly protic acids are weak acids which has several equilibrium steps in order to release the proton (H⁺).

According to Le Chatelier’s Principle, if any change in temperature, pressure, volume or concentration in the system takes place at equilibrium, a new equilibrium will establish to counteract the change.

Interpretation Introduction

(b)

Interpretation:

The net ionic equation for the reaction between CO₂ (s) and Ca(OH)₂(aq), which involve formation of gas and a white precipitate that re-dissolved needs to be determined.

Concept introduction:

Net ionic equation is the equation which includes only the chemical species that are involved in the reaction.

Polyprotic acids are acids that can donate more than one proton to the solution. Most poly protic acids are weak acids which has several equilibrium steps in order to release the proton (H⁺).

According to Le Chatelier’s Principle, if any change in temperature, pressure, volume or concentration in the system takes place at equilibrium, a new equilibrium will establish to counteract the change.

Answer 6

Chapter 18, Problem 75IAE

Interpretation Introduction

(a)

Interpretation:

The net ionic equation for the reaction in between CaCl2(aq) and Na2HPO4(aq), where a precipitate form which is 38.7% Ca by mass, needs to be written.

Concept introduction:

Net ionic equation is the equation which includes only the chemical species that are involved in the reaction.

Polyprotic acids are acids that can donate more than one proton to the solution. Most poly protic acids are weak acids which has several equilibrium steps in order to release the proton (H⁺).

According to Le Chatelier’s Principle, if any change in temperature, pressure, volume or concentration in the system takes place at equilibrium, a new equilibrium will establish to counteract the change.

Answer 7

Chapter 18, Problem 75IAE

Interpretation Introduction

(a)

Interpretation:

The net ionic equation for the reaction in between CaCl2(aq) and Na2HPO4(aq), where a precipitate form which is 38.7% Ca by mass, needs to be written.

Concept introduction:

Net ionic equation is the equation which includes only the chemical species that are involved in the reaction.

Polyprotic acids are acids that can donate more than one proton to the solution. Most poly protic acids are weak acids which has several equilibrium steps in order to release the proton (H⁺).

According to Le Chatelier’s Principle, if any change in temperature, pressure, volume or concentration in the system takes place at equilibrium, a new equilibrium will establish to counteract the change.

Answer 8

Interpretation Introduction

(b)

Interpretation:

The net ionic equation for the reaction between CO₂ (s) and Ca(OH)₂(aq), which involve formation of gas and a white precipitate that re-dissolved needs to be determined.

Concept introduction:

Net ionic equation is the equation which includes only the chemical species that are involved in the reaction.

Polyprotic acids are acids that can donate more than one proton to the solution. Most poly protic acids are weak acids which has several equilibrium steps in order to release the proton (H⁺).

According to Le Chatelier’s Principle, if any change in temperature, pressure, volume or concentration in the system takes place at equilibrium, a new equilibrium will establish to counteract the change.

Answer 9

Interpretation Introduction

(b)

Interpretation:

The net ionic equation for the reaction between CO₂ (s) and Ca(OH)₂(aq), which involve formation of gas and a white precipitate that re-dissolved needs to be determined.

Concept introduction:

Net ionic equation is the equation which includes only the chemical species that are involved in the reaction.

Polyprotic acids are acids that can donate more than one proton to the solution. Most poly protic acids are weak acids which has several equilibrium steps in order to release the proton (H⁺).

According to Le Chatelier’s Principle, if any change in temperature, pressure, volume or concentration in the system takes place at equilibrium, a new equilibrium will establish to counteract the change.

Answer 10

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Answer 12

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Answer 13

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Solution Summary: The author explains the net ionic equation, which includes only the chemical species that are involved in the reaction.

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