In Questions 1 through 6, you will be calculating the initial concentrations of Fe³+ ([Fe³+]o) and SCN ([SCN]o) for each of the reactions you will perform. You should transfer the answers to these questions to the appropriate ICE table(s) on the "Data and Calculations" sheet. In all five reactions, you will be using 5.0 mL of 0.0020 M Fe(NO3)3. Each reaction mixture will be diluted to a final volume of 10.0 mL. What is [Fe³+] in all five of the reactions you will study? Type your answer, WITHOUT UNITS, in the box below. Include 2 significant figures. If you want to enter your answers scientific notation, use the format that Blackboard recognizes: 1.5 x 10-3 would be entered as 1.5E-3 (no spaces). QUESTION 2 In Test Tube 1, you will be using 1.0 mL of 0.0020 KSCN. Each reaction mixture will be diluted to a final volume of 10.0 mL. What is [SCN ] in Test Tube 1? Type your answer, WITHOUT UNITS, in the box below. Include 2 significant figures. QUESTION 3 In Test Tube 2, you will be using 2.0 mL of 0.0020 M KSCN. Each reaction mixture will be diluted to a final volume of 10.0 mL. What is [SCN ] in Test Tube 2? Type your answer, WITHOUT UNITS, in the box below. Include 2 significant figures. QUESTION 4 In Test Tube 3, you will be using 3.0 mL of 0.0020 M KSCN. Each reaction mixture will be diluted to a final volume of 10.0 mL. What is [SCN ] in Test Tube 3? Type your answer, WITHOUT UNITS, in the box below. Include 2 significant figures. QUESTION 5 In Test Tube 4, you will be using 4.0 mL of 0.0020 M KSCN. Each reaction mixture will be diluted to a final volume of 10.0 mL. What is [SCN ] in Test Tube 4? Type your answer, WITHOUT UNITS, in the box below. Include 2 significant figures. QUESTION 6 In Test Tube 5, you will be using 5.0 mL of 0.0020 M KSCN. Each reaction mixture will be diluted to a final volume of 10.0 mL. What is [SCN ] in Test Tube 5? Type your answer, WITHOUT UNITS, in the box below. Include 2 significant figures. 0.0010 QUESTION 7 What is the correct expression for Ke for the reaction you will be studying in this experiment. Assume that all concentrations are measured at equilibrium. The chemical equation for this reaction is: Fe 3+ (aq) + SCN "(aq) Kc = ([Fe³+][SCN]) / [FeSCN²+] • Kc = [FeSCN²+] / [[Fe³+][SCN]) Ke=[SCN]/([Fe³+][FeSCN²+1) FeSCN 2+ (aq)
In Questions 1 through 6, you will be calculating the initial concentrations of Fe³+ ([Fe³+]o) and SCN ([SCN]o) for each of the reactions you will perform. You should transfer the answers to these questions to the appropriate ICE table(s) on the "Data and Calculations" sheet. In all five reactions, you will be using 5.0 mL of 0.0020 M Fe(NO3)3. Each reaction mixture will be diluted to a final volume of 10.0 mL. What is [Fe³+] in all five of the reactions you will study? Type your answer, WITHOUT UNITS, in the box below. Include 2 significant figures. If you want to enter your answers scientific notation, use the format that Blackboard recognizes: 1.5 x 10-3 would be entered as 1.5E-3 (no spaces). QUESTION 2 In Test Tube 1, you will be using 1.0 mL of 0.0020 KSCN. Each reaction mixture will be diluted to a final volume of 10.0 mL. What is [SCN ] in Test Tube 1? Type your answer, WITHOUT UNITS, in the box below. Include 2 significant figures. QUESTION 3 In Test Tube 2, you will be using 2.0 mL of 0.0020 M KSCN. Each reaction mixture will be diluted to a final volume of 10.0 mL. What is [SCN ] in Test Tube 2? Type your answer, WITHOUT UNITS, in the box below. Include 2 significant figures. QUESTION 4 In Test Tube 3, you will be using 3.0 mL of 0.0020 M KSCN. Each reaction mixture will be diluted to a final volume of 10.0 mL. What is [SCN ] in Test Tube 3? Type your answer, WITHOUT UNITS, in the box below. Include 2 significant figures. QUESTION 5 In Test Tube 4, you will be using 4.0 mL of 0.0020 M KSCN. Each reaction mixture will be diluted to a final volume of 10.0 mL. What is [SCN ] in Test Tube 4? Type your answer, WITHOUT UNITS, in the box below. Include 2 significant figures. QUESTION 6 In Test Tube 5, you will be using 5.0 mL of 0.0020 M KSCN. Each reaction mixture will be diluted to a final volume of 10.0 mL. What is [SCN ] in Test Tube 5? Type your answer, WITHOUT UNITS, in the box below. Include 2 significant figures. 0.0010 QUESTION 7 What is the correct expression for Ke for the reaction you will be studying in this experiment. Assume that all concentrations are measured at equilibrium. The chemical equation for this reaction is: Fe 3+ (aq) + SCN "(aq) Kc = ([Fe³+][SCN]) / [FeSCN²+] • Kc = [FeSCN²+] / [[Fe³+][SCN]) Ke=[SCN]/([Fe³+][FeSCN²+1) FeSCN 2+ (aq)
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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