#3 only ## Post-Lab Questions1. **Which reactant is the limiting reagent** if 8.00 mL of 3.50 mol·L⁻¹ HNO₃, 10.0 mL of 5.50 mol·L⁻¹ H₂SO₄, and 4.50 g of Cu are used to prepare CuSO₄ · 5H₂O?2. **What is the theoretical yield** if 8.00 mL of 3.50 mol·L⁻¹ HNO₃, 10.0 mL 5.50 mol·L⁻¹ H₂SO₄, and 4.50 g of Cu are used to prepare CuSO₄ · 5H₂O?3. Using your answer from above, **determine the percent yield** for that reaction if the actual yield of CuSO₄ · 5H₂O is 2.7 g.4. - (a) If 7.50 g of Cu is allowed to react using an excess of acids, what is the theoretical yield of CuSO₄ · 5H₂O? - (b) If the total volume of the solution is 40.0 mL, what is the mass of CuSO₄ · 5H₂O that can dissolve? Assume that the solubility of CuSO₄ · 5H₂O in the reaction solution from which it is crystallized is 45.0 g per 100 mL solution (i.e., a maximum of 45 g of product will dissolve in 100 mL of reaction solution). - (c) **What mass of CuSO₄ · 5H₂O would be crystallized** (i.e., would not dissolve)? - (d) **How could you increase the percent yield** during crystallization?5. **Predict the effect of using 2.00 g of Cu instead of 1.28 g** in the preparation of CuSO₄ · 5H₂O if the volumes and concentrations of acids are the same as are used in this experiment. How would the actual yield be affected? The theoretical yield?> *Note: This series of questions is designed to guide learners through the process of determining limiting reagents, theoretical and percent yield calculations, and the effects of reactant

Answered: Image /qna-images/answer/d82fab00-1b82-4aef-857b-a4782e885488.jpg

3. Using your answer from above determine the percent yield for that reaction if the actual yield of CuSO, 5 H,0 is 2.7 g. (a) If 7.50 a of Cu is allowed to react using an excess of acids what is the theoret-

3. Using your answer from above determine the percent yield for that reaction if the actual yield of CuSO, 5 H,0 is 2.7 g. (a) If 7.50 a of Cu is allowed to react using an excess of acids what is the theoret-

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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