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Chemistry & Chemical Reactivity

10th Edition
John C. Kotz + 3 others
ISBN: 9781337399074

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Chapter
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BuyFindarrow_forward

Chemistry & Chemical Reactivity

10th Edition
John C. Kotz + 3 others
ISBN: 9781337399074
Textbook Problem

Balance each of the following equations, and then write the net ionic equation. Show states for all reactants and products (s, ℓ. g, aq).

(a) the reaction of sodium hydroxide and iron(II) chloride to give iron(II) hydroxide and sodium chloride

(b) the reaction of barium chloride with sodium carbonate to give barium carbonate and sodium chloride

(c) the reaction of ammonia with phosphoric acid

(a)

Interpretation Introduction

Interpretation:

  • The given equation has to be balanced and net ionic equation should be written.
  • For all reactant and products, the state should be shown.

Concept introduction:

The law of conservation of mass states that no atoms can be created or destroyed in a chemical reaction, therefore, the number of atoms present in the reactants is equal to the number of atoms present in the products.

Explanation

The given compound is Iron (II) Chloride and Sodium Hydroxide which is soluble in water.  In this reaction Iron (II) Chloride reacts with Sodium Hydroxide to give Iron (II) hydroxide and sodium chloride.

  NaOH(aq)+FeCl2(aq)Fe(OH)2(s) + NaCl(aq)

Balance the equation,

Balance the chlorine atom in the given equation, when balancing the equation, we should not alter the subscripts and we can change coefficients.

There is one chlorine atoms in the right side and two chlorine atoms in the left side. Therefore two molecule of sodium chloride is added to right side of reaction.  Therefore the balanced equation is given below.

  NaOH(aq)+FeCl2(aq)

(b)

Interpretation Introduction

Interpretation:

  • The given equation has to be balanced and net ionic equation should be written.
  • For all reactant and products, the state should be shown.

Concept introduction:

The law of conservation of mass states that no atoms can be created or destroyed in a chemical reaction, therefore, the number of atoms present in the reactants is equal to the number of atoms present in the products.

(c)

Interpretation Introduction

Interpretation:

  • The given equation has to be balanced and net ionic equation should be written.
  • For all reactant and products, the state should be shown.

Concept introduction:

The law of conservation of mass states that no atoms can be created or destroyed in a chemical reaction, therefore, the number of atoms present in the reactants is equal to the number of atoms present in the products.

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