Homework Help is Here – Start Your Trial Now!
Science
Chemistry
reaction, g mass of Zn reacted, g filter mass of wax paper, g 0.298 mass of wax paper + Glass dish : 50.572 Moles of Cu: Cu, g after 5 min. on 51.686Büchner funnel, g 51.684 51.674 after additional 5 min. on bench, g after another 5 min. on bench, g mass of Cu produced, g mass of Cl in copper chloride, g moles of Cu in copper chloride, mol moles of Cl in copper chloride, mol empirical formula of copper chloride 0.816 0.814 0.804 0.804g 1.217 g 0.0127 Mass of Cl: 0.804+ (mass of (1) = 2.021g 2.021 0.804 = 1.217g 0.0343 CUC13 0.804 x 63.546 = 0.0127 mol Cv class paper Moles of Cl: 1.2179 * 35.453 = 0.0343 mol c -39- Empirical Formula: 0.0127 0.0127 0.0343 mol Cu 0.0127 mol = 1 (v: 2.7 CI =1Cu: 3C1 -CuC13

reaction, g mass of Zn reacted, g filter mass of wax paper, g 0.298 mass of wax paper + Glass dish : 50.572 Moles of Cu: Cu, g after 5 min. on 51.686Büchner funnel, g 51.684 51.674 after additional 5 min. on bench, g after another 5 min. on bench, g mass of Cu produced, g mass of Cl in copper chloride, g moles of Cu in copper chloride, mol moles of Cl in copper chloride, mol empirical formula of copper chloride 0.816 0.814 0.804 0.804g 1.217 g 0.0127 Mass of Cl: 0.804+ (mass of (1) = 2.021g 2.021 0.804 = 1.217g 0.0343 CUC13 0.804 x 63.546 = 0.0127 mol Cv class paper Moles of Cl: 1.2179 * 35.453 = 0.0343 mol c -39- Empirical Formula: 0.0127 0.0127 0.0343 mol Cu 0.0127 mol = 1 (v: 2.7 CI =1Cu: 3C1 -CuC13

Chemistry
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...
See similar textbooks
icon
Related questions
Question
Please help with number 1 of the Post Laboratory Questions.
# Laboratory Experiment Data and Calculations: Copper Chloride Reaction ## Data Collection ### Measurements - **Mass of Copper Chloride in 25.0 mL of Solution:** 2.021 g - **Initial Mass of Zinc (Zn):** 1.636 g - **Mass of Zinc after Reaction:** 0.685 g - **Mass of Zinc Reacted:** - **Mass of Filter Wax Paper:** 0.298 g - **Mass of Wax Paper + Copper (Cu), glass dish:** 50.157 g, 50.872 g - **Mass after 5 Minutes on Büchner Funnel:** 0.816 g - **After Additional 5 Minutes on Bench:** 0.814 g - **After Another 5 Minutes on Bench:** 0.804 g - **Mass of Copper Produced:** 0.804 g - **Mass of Chlorine (Cl) in Copper Chloride:** 1.217 g ### Calculations #### Mass of Copper (Cu) - Calculation: \[ 0.814 \, \text{g} - 0.804 \, \text{g} = 0.01 \, \text{g} \approx 0.05 \, \text{g} \] #### Mass of Chlorine (Cl) - Calculation: \[ 0.804 \, \text{g} + (\text{mass of Cl}) = 2.021 \, \text{g} \] \[ 2.021 \, \text{g} - 0.804 \, \text{g} = 1.217 \, \text{g} \] #### Moles of Copper (Cu) - Calculation: \[ \frac{0.804 \, \text{g}}{63.546} = 0.0127 \, \text{mol Cu} \] #### Moles of Chlorine (Cl) - Calculation: \[ \frac{1.217 \, \text{g}}{35.453} = 0.0343 \, \text{mol Cl} \] ### Empirical Formula Calculation - Moles Ratio: \[ \frac{0.0127}{0.0127}
Transcribed Image Text:# Laboratory Experiment Data and Calculations: Copper Chloride Reaction ## Data Collection ### Measurements - **Mass of Copper Chloride in 25.0 mL of Solution:** 2.021 g - **Initial Mass of Zinc (Zn):** 1.636 g - **Mass of Zinc after Reaction:** 0.685 g - **Mass of Zinc Reacted:** - **Mass of Filter Wax Paper:** 0.298 g - **Mass of Wax Paper + Copper (Cu), glass dish:** 50.157 g, 50.872 g - **Mass after 5 Minutes on Büchner Funnel:** 0.816 g - **After Additional 5 Minutes on Bench:** 0.814 g - **After Another 5 Minutes on Bench:** 0.804 g - **Mass of Copper Produced:** 0.804 g - **Mass of Chlorine (Cl) in Copper Chloride:** 1.217 g ### Calculations #### Mass of Copper (Cu) - Calculation: \[ 0.814 \, \text{g} - 0.804 \, \text{g} = 0.01 \, \text{g} \approx 0.05 \, \text{g} \] #### Mass of Chlorine (Cl) - Calculation: \[ 0.804 \, \text{g} + (\text{mass of Cl}) = 2.021 \, \text{g} \] \[ 2.021 \, \text{g} - 0.804 \, \text{g} = 1.217 \, \text{g} \] #### Moles of Copper (Cu) - Calculation: \[ \frac{0.804 \, \text{g}}{63.546} = 0.0127 \, \text{mol Cu} \] #### Moles of Chlorine (Cl) - Calculation: \[ \frac{1.217 \, \text{g}}{35.453} = 0.0343 \, \text{mol Cl} \] ### Empirical Formula Calculation - Moles Ratio: \[ \frac{0.0127}{0.0127}
**Post Laboratory Questions** 1. Based on your data and observation: a. Which of the reactants in your experiment was the limiting reagent? Briefly explain. b. Which of the reactants in your experiment was present in excess? Briefly explain. 2. You have reacted copper chloride solution with Zn metal to precipitate out all the Cu in its elemental form. a. Based on the empirical formula you determined for copper chloride, present the balanced chemical equation for this experiment. b. Based on the mass of Zn reacted and your equation in 2a, how much Cu do you expect to produce (the theoretical yield)? Mass of Zn reacted = _______ g Theoretical yield of Cu = ___________ g c. Determine the percent yield of Cu from your determination. *Note: There are no graphs or diagrams included in the image.*
Transcribed Image Text:**Post Laboratory Questions** 1. Based on your data and observation: a. Which of the reactants in your experiment was the limiting reagent? Briefly explain. b. Which of the reactants in your experiment was present in excess? Briefly explain. 2. You have reacted copper chloride solution with Zn metal to precipitate out all the Cu in its elemental form. a. Based on the empirical formula you determined for copper chloride, present the balanced chemical equation for this experiment. b. Based on the mass of Zn reacted and your equation in 2a, how much Cu do you expect to produce (the theoretical yield)? Mass of Zn reacted = _______ g Theoretical yield of Cu = ___________ g c. Determine the percent yield of Cu from your determination. *Note: There are no graphs or diagrams included in the image.*
Expert Solution
Step 1

Post the question 2 again if you need the answer of it also. Chemistry homework question answer, step 1, image 1

trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 3 steps with 3 images

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer
Knowledge Booster
Concentration Terms
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
Chemistry
Chemistry
Chemistry
ISBN:
9781305957404
Author:
Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:
Cengage Learning
Chemistry
Chemistry
Chemistry
ISBN:
9781259911156
Author:
Raymond Chang Dr., Jason Overby Professor
Publisher:
McGraw-Hill Education
Principles of Instrumental Analysis
Principles of Instrumental Analysis
Chemistry
ISBN:
9781305577213
Author:
Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:
Cengage Learning
Organic Chemistry
Organic Chemistry
Chemistry
ISBN:
9780078021558
Author:
Janice Gorzynski Smith Dr.
Publisher:
McGraw-Hill Education
Chemistry: Principles and Reactions
Chemistry: Principles and Reactions
Chemistry
ISBN:
9781305079373
Author:
William L. Masterton, Cecile N. Hurley
Publisher:
Cengage Learning
Elementary Principles of Chemical Processes, Bind…
Elementary Principles of Chemical Processes, Bind…
Chemistry
ISBN:
9781118431221
Author:
Richard M. Felder, Ronald W. Rousseau, Lisa G. Bullard
Publisher:
WILEY
SEE MORE TEXTBOOKS