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calculate Ka and Kb Values based on this experimental
data
EXPERIMENT IN-LAB GUIDELINES This is a...
equations that may be useful are: 2I(-)+SO2O8(2-)->I2+2SO4(2-) and I2+2S2O3(2-)->2I(-)+S4O6(2-) THE IODINE CLOCK- REACTION KINETICS IN-LAB GUIDELINES...
equations that may be useful are:
2I(-)+SO2O8(2-)->I2+2SO4(2-)
and
I2+2S2O3(2-)->2I(-)+S4O6(2-)
THE IODINE CLOCK- REACTION KINETICS IN-LAB GUIDELINES (WEEK 1) This is a guide to suggest a format for you to prepare your laboratory notebook so that you can efficiently collect and record the data needed for each part of this experiment. Provide a space for observations. Record all original data directly into the laboratory notebook. Show all post-lab calculations in your laboratory notebook. If you did several trials of the same...
105 CHE115 Now that you have all the components you need to solve the puzzle, LET'S...
105 CHE115 Now that you have all the components you need to solve the puzzle, LET'S BEGIN A. Record and Organize: (30 pts) Add an entry to the Title Page for this lab report and its page numbers. 1. 2. 3. (2 pts) On the next available blank page in your laboratory notebook write down the date and title of the experiment (6 pts) In your laboratory notebook write out a step-by-step procedure that explains what you are going to...
Experimental Yleld x 100% = Percent Yleld% (Equation 4) Theoretical Yleld Before you start the lab,...
Experimental Yleld x 100% = Percent Yleld% (Equation 4) Theoretical Yleld Before you start the lab, it will be helpful to practices a few related problems. The information here is helpful when you complete your lab submission. ACTION REQUIRED Find the atomic masses of copper and chlorine, and the calculate the molar mass of CuCla. Keep THREE decimal places. Show all work and units: 1. Molar mass of Cu Molar Mass of Cl: Molar mass of CuCl If Sarah and...
Tab Caps Loc Postlab Exercises Record all data during the experiment in your the lab notebook. When the lab is comp...
Tab Caps Loc Postlab Exercises Record all data during the experiment in your the lab notebook. When the lab is complete Summarize your results on this sheet and tum it in, along with the copy sheets from your notcbook Shitt 1 Ctri Synthesis Results (show all calculations in lab notebook) 0-D459 moles 0,0534 moles 0.01 (3 moles 1-Pentanol mass 5.50q 2.019 Sodium bromide mass 1-Bromopentane massi Theoretical yield mass 49.l631 % Yield Postlab Questions Give your answers and calculations on...
Vitamin C Project Lab: Part B: Data analysis Calculate the grams of Vitamin C in your...
Vitamin C Project Lab: Part B: Data analysis Calculate the grams of Vitamin C in your Erlenmeyer. (as in titration #1 ) Calculate the grams of Vitamin C per tablet. Calculate a percent error by comparing your result to the tablet dose above. Determine the % composition of vitamin C in the tablet Build a data table similar to the one you used for titration # 1 to calculate the following: 1. 2 3. 4. Show all your work Trial...
1. Use the data given to calculate the following parts: a. Using your data for the...
1. Use the data given to calculate the following parts:
a. Using your data for the value for VEP1, calculate the
molarity of H3PO4 at the 1st equivalence point, EP1. Show work
clearly, with units and correct significant figures.
b. Using your data for the value for VEP2, calculate the
molarity of H3PO4 at the 2nd equivalence point, EP2. Show work
clearly, with units and correct significant figures.
c. Calculate the percent error between these two molarity
values, % error...
n Instructions: Use the following data to complete the data /calculation sheet of the experiment in...
n
Instructions: Use the following data to complete the data /calculation sheet of the experiment in your laboratory handout. Write your lab report using this data and following the lab syllabus instructions (Pre lab, data and observation and post lab) and turn it in to your instructor on or before the assigned date. DATA TABLE Initial Trial 1 Trial 2 Trial 3 Trial 4 Trial 5 103.50 105.89 108.48 111.30 114.40 Ptotal (kPa) 101.35 Pair (kPa) Pvap (kPa) 25 25...
Lab Section Nume Preparation and Examination of a Drug: Aspirin EXPERIMENT 25 OBSERVATIONS AND RESULTS 1....
Lab Section Nume Preparation and Examination of a Drug: Aspirin EXPERIMENT 25 OBSERVATIONS AND RESULTS 1. The Synthesis of Aspirin Record the weight of your aspirin, and calculate the percentage yield. Base the yield on salicylic acid since we acetic anhydride was used. Show all calculations. Weight of aspirin d. 08035 Yield of aspirin 2. Contaminants in Aspirin What was the color of the salicylic acid-ferric chloride test solution? On the basis of color is either your aspirin or commercial...
2. Using the data from the experiment, calculate the mass of copper (II) sulfate residue and...
2. Using the data from the experiment, calculate the mass of copper (II) sulfate residue and the mass of water (Items 5 and 6 from the Data Form). Express your answers in grams to the nearest hundredth (+ 0.01 g). Show your work. 3. Calculate the moles of copper (II) sulfate present from the mass of the copper (II) sulfate. Express your answer in moles as three significant digits. Show your work. 4. Calculate the moles of water driven off...
5. 3. In Part 1 of the experiment (preparation of Ca²+ (aq) solution of known concentration),...
5. 3. In Part 1 of the experiment (preparation of Ca²+ (aq) solution of known concentration), the volumes of water used in steps 1, 2, 3, and 5 are all approximate. Why doesn't it matter that these volumes are approximate rather than accurately measured? (Be specific.) 4. If a standard Ca? solution is 100 ppm and 50 mL of solution is used for the standardization, calculate the approximate volume of 2.5 mM EDTA+ solution needed to reach the end point...
equations that may be useful are:
2I(-)+SO2O8(2-)->I2+2SO4(2-)
and
I2+2S2O3(2-)->2I(-)+S4O6(2-)
THE IODINE CLOCK- REACTION KINETICS IN-LAB GUIDELINES (WEEK 1) This is a guide to suggest a format for you to prepare your laboratory notebook so that you can efficiently collect and record the data needed for each part of this experiment. Provide a space for observations. Record all original data directly into the laboratory notebook. Show all post-lab calculations in your laboratory notebook. If you did several trials of the same...
105 CHE115 Now that you have all the components you need to solve the puzzle, LET'S BEGIN A. Record and Organize: (30 pts) Add an entry to the Title Page for this lab report and its page numbers. 1. 2. 3. (2 pts) On the next available blank page in your laboratory notebook write down the date and title of the experiment (6 pts) In your laboratory notebook write out a step-by-step procedure that explains what you are going to...
Experimental Yleld x 100% = Percent Yleld% (Equation 4) Theoretical Yleld Before you start the lab, it will be helpful to practices a few related problems. The information here is helpful when you complete your lab submission. ACTION REQUIRED Find the atomic masses of copper and chlorine, and the calculate the molar mass of CuCla. Keep THREE decimal places. Show all work and units: 1. Molar mass of Cu Molar Mass of Cl: Molar mass of CuCl If Sarah and...
Tab Caps Loc Postlab Exercises Record all data during the experiment in your the lab notebook. When the lab is complete Summarize your results on this sheet and tum it in, along with the copy sheets from your notcbook Shitt 1 Ctri Synthesis Results (show all calculations in lab notebook) 0-D459 moles 0,0534 moles 0.01 (3 moles 1-Pentanol mass 5.50q 2.019 Sodium bromide mass 1-Bromopentane massi Theoretical yield mass 49.l631 % Yield Postlab Questions Give your answers and calculations on...
Vitamin C Project Lab: Part B: Data analysis Calculate the grams of Vitamin C in your Erlenmeyer. (as in titration #1 ) Calculate the grams of Vitamin C per tablet. Calculate a percent error by comparing your result to the tablet dose above. Determine the % composition of vitamin C in the tablet Build a data table similar to the one you used for titration # 1 to calculate the following: 1. 2 3. 4. Show all your work Trial...
1. Use the data given to calculate the following parts:
a. Using your data for the value for VEP1, calculate the
molarity of H3PO4 at the 1st equivalence point, EP1. Show work
clearly, with units and correct significant figures.
b. Using your data for the value for VEP2, calculate the
molarity of H3PO4 at the 2nd equivalence point, EP2. Show work
clearly, with units and correct significant figures.
c. Calculate the percent error between these two molarity
values, % error...
n
Instructions: Use the following data to complete the data /calculation sheet of the experiment in your laboratory handout. Write your lab report using this data and following the lab syllabus instructions (Pre lab, data and observation and post lab) and turn it in to your instructor on or before the assigned date. DATA TABLE Initial Trial 1 Trial 2 Trial 3 Trial 4 Trial 5 103.50 105.89 108.48 111.30 114.40 Ptotal (kPa) 101.35 Pair (kPa) Pvap (kPa) 25 25...
Lab Section Nume Preparation and Examination of a Drug: Aspirin EXPERIMENT 25 OBSERVATIONS AND RESULTS 1. The Synthesis of Aspirin Record the weight of your aspirin, and calculate the percentage yield. Base the yield on salicylic acid since we acetic anhydride was used. Show all calculations. Weight of aspirin d. 08035 Yield of aspirin 2. Contaminants in Aspirin What was the color of the salicylic acid-ferric chloride test solution? On the basis of color is either your aspirin or commercial...
2. Using the data from the experiment, calculate the mass of copper (II) sulfate residue and the mass of water (Items 5 and 6 from the Data Form). Express your answers in grams to the nearest hundredth (+ 0.01 g). Show your work. 3. Calculate the moles of copper (II) sulfate present from the mass of the copper (II) sulfate. Express your answer in moles as three significant digits. Show your work. 4. Calculate the moles of water driven off...
5. 3. In Part 1 of the experiment (preparation of Ca²+ (aq) solution of known concentration), the volumes of water used in steps 1, 2, 3, and 5 are all approximate. Why doesn't it matter that these volumes are approximate rather than accurately measured? (Be specific.) 4. If a standard Ca? solution is 100 ppm and 50 mL of solution is used for the standardization, calculate the approximate volume of 2.5 mM EDTA+ solution needed to reach the end point...
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