 # Barium chloride solutions are used in chemical analysis for the quantitative precipitation of sulfate ion from solution. :math&gt; Ba 2 + ( a q ) + SO 4 2 − ( a q ) → BaSO 4 ( s ) ppose a solution is known to contain on the order of 1 50 mg of sulfate ion. What mass of barium chloride should be added to guarantee precipitation of all the sulfate ion? ### Introductory Chemistry: A Foundati...

9th Edition
Steven S. Zumdahl + 1 other
Publisher: Cengage Learning
ISBN: 9781337399425 ### Introductory Chemistry: A Foundati...

9th Edition
Steven S. Zumdahl + 1 other
Publisher: Cengage Learning
ISBN: 9781337399425

#### Solutions

Chapter
Section
Chapter 9, Problem 72AP
Textbook Problem
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## Barium chloride solutions are used in chemical analysis for the quantitative precipitation of sulfate ion from solution.:math> Ba 2 + ( a q ) + SO 4 2 − ( a q ) → BaSO 4 ( s ) ppose a solution is known to contain on the order of 1 50 mg of sulfate ion. What mass of barium chloride should be added to guarantee precipitation of all the sulfate ion?

Expert Solution
Interpretation Introduction

Interpretation:

To determine what mass of barium chloride is added to guarantee precipitation of all the sulphate ions.

Concept Introduction:

A balanced chemical equation is an equation that contains same number of atoms as well as of each element of reactants and products of reaction.

The limiting reactant in a particular reaction has due to following properties:

1. Limiting reactant completely reacted in a particular reaction.
2. Limiting reactant determines the amount of the product in mole.

### Explanation of Solution

Theoretical yield is also known as calculated yield. Theoretical yield is the amount of product which is theatrically calculates by the amount of limiting agent. It is the maximum amount of product which is formed in any reaction.

Other name of actual yield is observed yield.

The percentage yield is calculated by the actual or observed experimental yield divided by the theoretical yield and multiplied by 100.

The percentage yield can be calculates by the use of following expression:

Actual yield or given yield Theoretical yield or calculated yield ×100%

Theoretical yield is the greatest amount of a product possible from a reaction, when assume that the reaction goes to 100% competition.

The balance equation for the barium and sulphate ions is as follows:

Ba2+(aq)+SO42(aq)BaSO4(s)

Given:

Amount of SO42 = 150 mg

Calculation:

Number of moles of SO42 is calculated as follows:

Number of moles=mass in gmolarmass=150 mg×1

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