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Chemistry & Chemical Reactivity

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

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BuyFindarrow_forward

Chemistry & Chemical Reactivity

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

The mineral dolomite contains magnesium carbon-ate. This reacts with hydrochloric add.

MgCO3(s) + 2 HCl(aq) → CO2(g) + MgCl2(aq) + H2O()

(a) Write the net ionic equation for this reaction and identify the spectator ions.

(b) What type of reaction is this?

(a)

Interpretation Introduction

Interpretation:

Net ionic equation has to be written and the spectator ion should be identified.

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.

Precipitation reaction: The formation of the product is insoluble when the ions combine in the solution is called precipitation reaction.

Acid - base reaction: Formation of the salt from the cation from the base and anion from the acid and formation of water is also the product.

Gas forming reaction: The reaction of acid and metal carbonates which produce carbonic acid. The carbonic acid decomposes which gives water and carbon dioxide.

Oxidation - reduction reaction: The electrons are transferred to one to other is called oxidation reduction reaction.

A spectator ion is an ion that exists as a reactant and a product in a chemical equation.

Explanation

Magnesium carbonate reaction with hydrochloric acid which gives magnesium chloride, carbon dioxide and water and is shown below,

The net ionic equation of the given reaction is shown below

Chlorine ion is a spectator ion for the given reaction...

(b)

Interpretation Introduction

Interpretation:

Net ionic equation has to be written and the spectator ion should be identified.

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.

Precipitation reaction: The formation of the product is insoluble when the ions combine in the solution is called precipitation reaction.

Acid - base reaction: Formation of the salt from the cation from the base and anion from the acid and formation of water is also the product.

Gas forming reaction: The reaction of acid and metal carbonates which produce carbonic acid. The carbonic acid decomposes which gives water and carbon dioxide.

Oxidation - reduction reaction: The electrons are transferred to one to other is called oxidation reduction reaction.

A spectator ion is an ion that exists as a reactant and a product in a chemical equation.

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