1) Determine the moles of KMnO4 required for each trial. 41.43 mL 0.45 mL = 40.98 mL of KMnO4 moles x 43.68 mL-0.39 mL = 43.29 mL of KMnO4 moles x 0.1000 M solution 1000 mL 0.1000 M solution 1000 mL 0.1000 M solution 1000 mL 46.79 mL 0.43 mL = 46.36 mL of KMnO4 moles x- = 0.004098 moles of KMnO4 Moles KMnO4 in Trial 1 0.004098 M = 0.004329 moles of KMnO4 Moles KMnO4 in Trial 2 0.004329 M = 0.004636 moles of KMnO4 Moles KMnO4 in Trial 3 0.004636 M 2) Calculate the moles of H₂O2 present in the sample for each trial. Use Equation editor here to show all your work! You can copy and paste these when you need more lines Moles H₂O₂ in Trial 1 Put your answer here with units! Use Equation editor here to show all your work! You can copy and paste these when you need more lines Moles H₂O₂ in Trial 2 Put your answer here with units! Use Equation editor here to show all your work! You can copy and paste these when you need more lines Page 2 of 4 Moles H₂O₂ in Trial 3 Put your answer here with units! 3) How many grams of H₂O2 must have been present for each trial? Use Equation editor here to show all your work! You can copy and paste these when you need more lines g H₂O₂ in Trial 1 Put your answer here with units! Use Equation editor here to show all your work! You can copy and paste these when you need more lines g H₂O₂ in Trial 2 Put your answer here with units! Use Equation editor here to show all your work! You can copy and paste these when you need more lines g H₂O₂ in Trial 3 Put your answer here with units! 4) Determine the percent by mass H₂O2 for each trial. Use Equation editor here to show all your work! You can copy and paste these when you need more lines % by mass H₂O₂ in Trial 1 Put your answer here with units! Use Equation editor here to show all your work! You can copy and paste these when you need more lines % by mass H₂O2 in Trial 2 Put your answer here with units! Use Equation editor here to show all your work! You can copy and paste these when you need more lines % by mass H₂O₂ in Trial 3 Put your answer here with units!
1) Determine the moles of KMnO4 required for each trial. 41.43 mL 0.45 mL = 40.98 mL of KMnO4 moles x 43.68 mL-0.39 mL = 43.29 mL of KMnO4 moles x 0.1000 M solution 1000 mL 0.1000 M solution 1000 mL 0.1000 M solution 1000 mL 46.79 mL 0.43 mL = 46.36 mL of KMnO4 moles x- = 0.004098 moles of KMnO4 Moles KMnO4 in Trial 1 0.004098 M = 0.004329 moles of KMnO4 Moles KMnO4 in Trial 2 0.004329 M = 0.004636 moles of KMnO4 Moles KMnO4 in Trial 3 0.004636 M 2) Calculate the moles of H₂O2 present in the sample for each trial. Use Equation editor here to show all your work! You can copy and paste these when you need more lines Moles H₂O₂ in Trial 1 Put your answer here with units! Use Equation editor here to show all your work! You can copy and paste these when you need more lines Moles H₂O₂ in Trial 2 Put your answer here with units! Use Equation editor here to show all your work! You can copy and paste these when you need more lines Page 2 of 4 Moles H₂O₂ in Trial 3 Put your answer here with units! 3) How many grams of H₂O2 must have been present for each trial? Use Equation editor here to show all your work! You can copy and paste these when you need more lines g H₂O₂ in Trial 1 Put your answer here with units! Use Equation editor here to show all your work! You can copy and paste these when you need more lines g H₂O₂ in Trial 2 Put your answer here with units! Use Equation editor here to show all your work! You can copy and paste these when you need more lines g H₂O₂ in Trial 3 Put your answer here with units! 4) Determine the percent by mass H₂O2 for each trial. Use Equation editor here to show all your work! You can copy and paste these when you need more lines % by mass H₂O₂ in Trial 1 Put your answer here with units! Use Equation editor here to show all your work! You can copy and paste these when you need more lines % by mass H₂O2 in Trial 2 Put your answer here with units! Use Equation editor here to show all your work! You can copy and paste these when you need more lines % by mass H₂O₂ in Trial 3 Put your answer here with units!
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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