Using stoichiometry, calculate the limiting reactant, and the theoretical yield (the mass of CaCO3 product) for the reaction.

Chemistry & Chemical Reactivity
10th Edition
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter1: Basic Concepts Of Chemistry
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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
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.
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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