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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Question 3
![1. A 10.0 mL graduated cylinder to measure 10.0 mL of a 1.00 M CaCl2 solution into an initially empty
50.0 mL beaker.
2. A 50.0 mL graduated cylinder was then used to measure out 25.0 mL of 0.500 M K,CO3. This K2CO3
solution was then added to the beaker containing the CaCl2 solution. The solution became cloudy, and
the student concluded that a precipitate must have formed. Write a balanced chemical reaction below,
including phases, and identify the chemical formula of the precipitate:
CaCl2(aq)+K2CO3(aq)→2KCI(aq)+CaCO3(s)
3. The student then collected the precipitate by filtering it using the gravity filtration apparatus below:
funnel, with
filter paper
clamp
stand
conical
flask
Figure 3.1 - Gravity Filtration Apparatus (Conical Flask = Erlenmeyer Flask)
c BY
Unless otherwise noted, content of University of York is licensed under CC BY 4.0
After the solid was collected, it was dried on a hot plate three times. The following data was
collected:
Mass of solid product after first heating (g)
1.0250 g
Mass of solid product after second heating (g)
0.9723g
Mass of solid product after third heating (g)
0.9719 g](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe492c588-499c-4789-88a5-374ecbcf84a6%2F6f6b6d6f-6261-4e28-b8e6-79b3f56c7b67%2F7epql9p_processed.jpeg&w=3840&q=75)
Transcribed Image Text:1. A 10.0 mL graduated cylinder to measure 10.0 mL of a 1.00 M CaCl2 solution into an initially empty
50.0 mL beaker.
2. A 50.0 mL graduated cylinder was then used to measure out 25.0 mL of 0.500 M K,CO3. This K2CO3
solution was then added to the beaker containing the CaCl2 solution. The solution became cloudy, and
the student concluded that a precipitate must have formed. Write a balanced chemical reaction below,
including phases, and identify the chemical formula of the precipitate:
CaCl2(aq)+K2CO3(aq)→2KCI(aq)+CaCO3(s)
3. The student then collected the precipitate by filtering it using the gravity filtration apparatus below:
funnel, with
filter paper
clamp
stand
conical
flask
Figure 3.1 - Gravity Filtration Apparatus (Conical Flask = Erlenmeyer Flask)
c BY
Unless otherwise noted, content of University of York is licensed under CC BY 4.0
After the solid was collected, it was dried on a hot plate three times. The following data was
collected:
Mass of solid product after first heating (g)
1.0250 g
Mass of solid product after second heating (g)
0.9723g
Mass of solid product after third heating (g)
0.9719 g
![3. Using stoichiometry, calculate the limiting reactant, and the theoretical yield (the mass of CaCO3
product) for the reaction.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe492c588-499c-4789-88a5-374ecbcf84a6%2F6f6b6d6f-6261-4e28-b8e6-79b3f56c7b67%2F5a9kg8a_processed.jpeg&w=3840&q=75)
Transcribed Image Text:3. Using stoichiometry, calculate the limiting reactant, and the theoretical yield (the mass of CaCO3
product) for the reaction.
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