Preparation of BaSO 4 by precipitation reaction by using given materials and the complete balanced equations for the reaction chosen should be written, Concept introduction: 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.

Question

Four liters of an aqueous solution containing 6.98 mg of acetic acid were prepared. At 25°C, the measured conductivity was 5.89x10-3 mS cm-1. Calculate the degree of dissociation of the acid and its ionization constant.Molecular weights: O (15.999), C (12.011), H (1.008).Limiting molar ionic conductivities (λ+0 and λ-0) of Ac-(aq) and H+(aq): 40.9 and 349.8 S cm-2 mol-1.

Answer 1

Question

Chapter 3, Problem 97SCQ

(a)

Interpretation Introduction

Interpretation:

Preparation of BaSO4 by precipitation reaction by using given materials and the complete balanced equations for the reaction chosen should be written,

Concept introduction:

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.

(b)

Interpretation Introduction

Interpretation:

Preparation of BaSO4 by gas forming reaction by using given materials and the complete balanced equations for the reaction chosen should be written,

Concept introduction:

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.

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