### Calculation of Mass Percent of 2,4-D (2,4-Dichlorophenoxyacetic Acid) in a Sample#### Problem Statement:A herbicide contains 2,4-D (2,4-dichlorophenoxyacetic acid), with the chemical formula \( \text{C}_8\text{H}_6\text{Cl}_2\text{O}_3 \). A 1.162-g sample of the herbicide was decomposed to liberate the chlorine as \( \text{Cl}^- \) ion. This chlorine was precipitated as \( \text{AgCl} \) (Silver Chloride), with a mass of 0.2300 g. Calculate the mass percent of 2,4-D in the sample.#### Molecular Structure:The molecular structure of 2,4-D (2,4-dichlorophenoxyacetic acid) is shown below:![Molecular Structure of 2,4-D](data:image/svg+xml;utf8, OH OCH₂CO₂H)#### Given Data:- Sample mass (\( \text{C}_8\text{H}_6\text{Cl}_2\text{O}_3 \)) = 1.162 g- Mass of \( \text{AgCl} \) precipitate = 0.2300 g#### Objective:Find the mass percent of 2,4-D in the sample.#### Calculation:1. **Calculate moles of \( \text{AgCl} \):** - Molar mass of \( \text{

Here we are required to find the mass percentage of 2,4-D in sample

A herbicide contains 2,4-D (2,4-dichlorophenoxyacetic acid), C8 H6 Cl2 O3. A 1.162-g sample of the herbicide was decomposed to liberate the chlorine as CI ion. This was precipitated as AgCl, with a mass of 0.2300 g. What is the mass percent of 2,4-D in the sample? H. Mass percent H C. OCH₂CO₂H CL 2,4-D (2,4-dichlorophenoxyacetic acid). %

A herbicide contains 2,4-D (2,4-dichlorophenoxyacetic acid), C8 H6 Cl2 O3. A 1.162-g sample of the herbicide was decomposed to liberate the chlorine as CI ion. This was precipitated as AgCl, with a mass of 0.2300 g. What is the mass percent of 2,4-D in the sample? H. Mass percent H C. OCH₂CO₂H CL 2,4-D (2,4-dichlorophenoxyacetic acid). %

Chemistry

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ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

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### Calculation of Mass Percent of 2,4-D (2,4-Dichlorophenoxyacetic Acid) in a Sample

#### Problem Statement:
A herbicide contains 2,4-D (2,4-dichlorophenoxyacetic acid), with the chemical formula \( \text{C}_8\text{H}_6\text{Cl}_2\text{O}_3 \). A 1.162-g sample of the herbicide was decomposed to liberate the chlorine as \( \text{Cl}^- \) ion. This chlorine was precipitated as \( \text{AgCl} \) (Silver Chloride), with a mass of 0.2300 g. Calculate the mass percent of 2,4-D in the sample.

#### Molecular Structure:
The molecular structure of 2,4-D (2,4-dichlorophenoxyacetic acid) is shown below:

![Molecular Structure of 2,4-D](data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" version="1.1" width="352" height="264" viewBox="42 10 176 264"><!-- Hand-drawn text and box --> <rect x="8" y="25" width="48" height="42" fill="white" stroke-width="2" stroke="black" /> <text x="8" y="50" font-family="Arial" font-size="22" fill="black">OH</text> <rect x="56" y="24" width="162" height="44" fill="white" stroke-width="2" stroke="black" /> <text x="64" y="50" font-family="Arial" font-size="22" fill="black">OCH₂CO₂H</text></svg>)

#### Given Data:
- Sample mass (\( \text{C}_8\text{H}_6\text{Cl}_2\text{O}_3 \)) = 1.162 g
- Mass of \( \text{AgCl} \) precipitate = 0.2300 g

#### Objective:
Find the mass percent of 2,4-D in the sample.

#### Calculation:
1. **Calculate moles of \( \text{AgCl} \):**
- Molar mass of \( \text{

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