CHAPTER 4 - STOICHIOMET O Previous Page 3 of 5 Nex A sample of limestone and other soil materials CACO3 (s) CaO(s) + CO2(g) - A 2.074 g sample of limestone-containing mateE sample?
CHAPTER 4 - STOICHIOMET O Previous Page 3 of 5 Nex A sample of limestone and other soil materials CACO3 (s) CaO(s) + CO2(g) - A 2.074 g sample of limestone-containing mateE sample?
Chemistry
10th Edition
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
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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![**Chapter 4: Stoichiometry: Quantitative Information About Chemical Reactions**
---
**Sample Problem:**
A sample of limestone and other soil materials was heated, and the limestone decomposed to give calcium oxide and carbon dioxide.
The chemical equation for the reaction is:
\[
\text{CaCO}_3(s) \rightarrow \text{CaO}(s) + \text{CO}_2(g)
\]
A 2.067 g sample of limestone-containing material gave 0.759 g of CO₂ after being heated at a high temperature. What was the mass percent of CaCO₃ in the original sample?
\[
\text{Mass Percent:} \, \boxed{\phantom{space}} \%
\]
**Instructions:**
- Calculate the mass of CaCO₃ present by using stoichiometry.
- Determine the mass percent of CaCO₃ in the sample.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F5eb6561b-7493-4d00-add0-bf964eab3057%2F7292f6ad-d2da-4ab3-81a8-20a70529530a%2Fxxplvtc_processed.jpeg&w=3840&q=75)
Transcribed Image Text:**Chapter 4: Stoichiometry: Quantitative Information About Chemical Reactions**
---
**Sample Problem:**
A sample of limestone and other soil materials was heated, and the limestone decomposed to give calcium oxide and carbon dioxide.
The chemical equation for the reaction is:
\[
\text{CaCO}_3(s) \rightarrow \text{CaO}(s) + \text{CO}_2(g)
\]
A 2.067 g sample of limestone-containing material gave 0.759 g of CO₂ after being heated at a high temperature. What was the mass percent of CaCO₃ in the original sample?
\[
\text{Mass Percent:} \, \boxed{\phantom{space}} \%
\]
**Instructions:**
- Calculate the mass of CaCO₃ present by using stoichiometry.
- Determine the mass percent of CaCO₃ in the sample.
![## Chapter 4: Stoichiometry - Quantitative Information About Chemical Reactions
### Problem
*Styrene, the building block of polystyrene, consists of only C (carbon) and H (hydrogen). If 10.030 g of styrene is burned in oxygen and produces 33.943 g of CO₂ (carbon dioxide) and 6.924 g of H₂O (water), what is the empirical formula of styrene?*
**Empirical formula:** [____]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F5eb6561b-7493-4d00-add0-bf964eab3057%2F7292f6ad-d2da-4ab3-81a8-20a70529530a%2Fix6rhfu_processed.jpeg&w=3840&q=75)
Transcribed Image Text:## Chapter 4: Stoichiometry - Quantitative Information About Chemical Reactions
### Problem
*Styrene, the building block of polystyrene, consists of only C (carbon) and H (hydrogen). If 10.030 g of styrene is burned in oxygen and produces 33.943 g of CO₂ (carbon dioxide) and 6.924 g of H₂O (water), what is the empirical formula of styrene?*
**Empirical formula:** [____]
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