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Calculate the ongar UUM Calculate the average concentration of the original Cu4+ solution Pre-Laboratory...
do # 2 first photo Calculate the ongar UUM Calculate the average concentration of the original...
do # 2
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Calculate the ongar UUM Calculate the average concentration of the original Cu4+ solution Pre-Laboratory Questions 1. Define the term titration. From the chemical equations provided in the introduction, write the overall balanced stoichiometric equation for the volumetric analysis of Cu2+. A 25.00 mL sample of a Cuct solution requires 35.45 mL of 0.2000 M Na S,O2 solution to reach the end point. Calculate the molar concentration of Cuct in the sample. the amount of metallic...
Physiological Chemistry Laboratory II - SPRING 2020 8. Calculate the unknown mass of a sample of...
Physiological Chemistry Laboratory II - SPRING 2020 8. Calculate the unknown mass of a sample of KHP (204 22 a/mol) if it consumed 39.27 mL of a 0.5094 Min solution to reach the phenolphthalein end point. 9. If 28.75 ml of 0.2055 M HCl are required to reach the end point of a titration of a 46.93 ml sample of NaOH, what is the molarity of the NaOH solution? What if the acid was phosphoric acid, H3PO4? 10. Titration of...
do #2 Post-Laboratory Questions A student carried out the procedure above and consistently titrated at a relatively...
do #2
Post-Laboratory Questions A student carried out the procedure above and consistently titrated at a relatively rapid rate for all three trials. a) Explain two possible problems that might ensue from adding the titrant too quickly. b) How would this affect reporting the concentration of the unknown?. A student carried out the above procedure in triplicate. The volume of titrant consumed varied significantly from one trial to the other (+1.00 mL). Explain how these results would affect the accuracy...
PRE-LABORATORY QUESTIONS, WATER: DETERMINING THE CONCENTRATION OF CALCIUM IONS IN WATER SAMPLES EXPT. SA HARD Prior...
PRE-LABORATORY QUESTIONS, WATER: DETERMINING THE CONCENTRATION OF CALCIUM IONS IN WATER SAMPLES EXPT. SA HARD Prior to coming to lab, carefully read the entire experimental procedure that follows and write an outline of the procedure in your lab notebook IN YOUR OWN WORDS (do not simply copy). Then, add three tables for your titrations of the blank, tap water, and CaCl samples. Complete these problems and hand in gt the bexinning of the laboratory period. Show all work. EDTA is...
DATA SHEET Overall Stoichiometric Equations 1. Results and Observations 2. Unknown No.:l Concentration of standard Na2S&O3...
DATA SHEET Overall Stoichiometric Equations 1. Results and Observations 2. Unknown No.:l Concentration of standard Na2S&O3 solution, M 0.020(0 Trial 3 Trial 2 Trial 1 13.22 33.97 o.0.20 1311 Initial burette reading, mL 13.09 Final burette reading, mL (0.21 Volume of NAS2O3 used, mL Amount of NA2S2O3 used, mol Amount of Cu2 in unknown sample, mol L0.00 10. 00 10.00 Volume of original Cu solution used, mL in original solution, M Concentration of Cu Average Concentration of Cu2, M Procedure...
7. A laboratory needs to find out the concentration of a solution of nitrous acid (HNO2,...
7. A laboratory needs to find out the concentration of a solution of nitrous acid (HNO2, a monoprotic acid). The laboratory technician uses a procedure just like you will use in this laboratory activity. In Part l, the technician titrates the barium hydroxide solution against a standard, solid acid. It is found that the barium hydroxide solution is 0.198 M in barium hydroxide In Part Il, the technician places a 25.00 ml sample of the nitrous acid solution in an...
Calculate the concentration of a barium hydroxide solution if it takes 35.42 mL of a 0.1042...
Calculate the concentration of a barium hydroxide solution if it takes 35.42 mL of a 0.1042 M solution of phosphoric acid to reach the endpoint of titration for a 25.00 mL sample of the barium hydroxide solution 3 Ba(OH)2 (aq) + 2 H3PO4 (aq) 6H20 (1) + Baz(PO4)2 (aq) Express your answer in molarity. Do not include the units.
Lab Section Name Date Prelaborator laboratory Problems - Experiment 3-Acids and Bases: Analysis 1.- The ti...
Lab Section Name Date Prelaborator laboratory Problems - Experiment 3-Acids and Bases: Analysis 1.- The ti Hesa, + 2004 the titration of 25.0 mL of a sulfuric acid solution of unknown concentration requires selo ml of a 0.1234 MNOH solution. What is the concentration of the sulfuric acid 0.1234 U Wa Ohm 0.03224 Na Son +2460 3.859548X10" mokes Da OH 2. 10.00 mL of vinegar (mass10.05 g) requires 16.20 end point. Calculate the molarity and mass per 0.05 g) requires...
please type answer or fill in the blanks PLEASE UU ANITOUESTIONS EXPERIMENT 10 PRE-LABORATORY STANDARDIZATION OF...
please type answer or fill in the blanks PLEASE
UU ANITOUESTIONS EXPERIMENT 10 PRE-LABORATORY STANDARDIZATION OF A SODIUM HYDROXIDE SOLUTION NAME DATE 1. What is the purpose of this experiment? 2. A sample of KHP has a mass of 2.345 g is used for a titration, how many moles of KHP is this sample? 3. How many moles of NaOH would be needed to reach the endpoint of this titration with sample of KHP from the previous question? 4. If...
I need help answering the following chemistry lab questions Pre-Lab Questions 1. Define the following terms:...
I need help answering the following chemistry lab
questions
Pre-Lab Questions 1. Define the following terms: a) Acid b) Analyte c) Base d) End Point e) Neutralization reactiorn f) Standard solution 8) Titrant h) Titration A 25.00 ml. sample of NaOH was titrated with a 0.743 M HSO, Solution. The endpoint of the titration was observed after the addition of 5.00 ml. of HSO. Calculate the concentration of the NaOH 2. solution. Post-Lab Questions Calculate the volume of a 0.0321...
do # 2
first photo
Calculate the ongar UUM Calculate the average concentration of the original Cu4+ solution Pre-Laboratory Questions 1. Define the term titration. From the chemical equations provided in the introduction, write the overall balanced stoichiometric equation for the volumetric analysis of Cu2+. A 25.00 mL sample of a Cuct solution requires 35.45 mL of 0.2000 M Na S,O2 solution to reach the end point. Calculate the molar concentration of Cuct in the sample. the amount of metallic...
Physiological Chemistry Laboratory II - SPRING 2020 8. Calculate the unknown mass of a sample of KHP (204 22 a/mol) if it consumed 39.27 mL of a 0.5094 Min solution to reach the phenolphthalein end point. 9. If 28.75 ml of 0.2055 M HCl are required to reach the end point of a titration of a 46.93 ml sample of NaOH, what is the molarity of the NaOH solution? What if the acid was phosphoric acid, H3PO4? 10. Titration of...
do #2
Post-Laboratory Questions A student carried out the procedure above and consistently titrated at a relatively rapid rate for all three trials. a) Explain two possible problems that might ensue from adding the titrant too quickly. b) How would this affect reporting the concentration of the unknown?. A student carried out the above procedure in triplicate. The volume of titrant consumed varied significantly from one trial to the other (+1.00 mL). Explain how these results would affect the accuracy...
PRE-LABORATORY QUESTIONS, WATER: DETERMINING THE CONCENTRATION OF CALCIUM IONS IN WATER SAMPLES EXPT. SA HARD Prior to coming to lab, carefully read the entire experimental procedure that follows and write an outline of the procedure in your lab notebook IN YOUR OWN WORDS (do not simply copy). Then, add three tables for your titrations of the blank, tap water, and CaCl samples. Complete these problems and hand in gt the bexinning of the laboratory period. Show all work. EDTA is...
DATA SHEET Overall Stoichiometric Equations 1. Results and Observations 2. Unknown No.:l Concentration of standard Na2S&O3 solution, M 0.020(0 Trial 3 Trial 2 Trial 1 13.22 33.97 o.0.20 1311 Initial burette reading, mL 13.09 Final burette reading, mL (0.21 Volume of NAS2O3 used, mL Amount of NA2S2O3 used, mol Amount of Cu2 in unknown sample, mol L0.00 10. 00 10.00 Volume of original Cu solution used, mL in original solution, M Concentration of Cu Average Concentration of Cu2, M Procedure...
7. A laboratory needs to find out the concentration of a solution of nitrous acid (HNO2, a monoprotic acid). The laboratory technician uses a procedure just like you will use in this laboratory activity. In Part l, the technician titrates the barium hydroxide solution against a standard, solid acid. It is found that the barium hydroxide solution is 0.198 M in barium hydroxide In Part Il, the technician places a 25.00 ml sample of the nitrous acid solution in an...
Calculate the concentration of a barium hydroxide solution if it takes 35.42 mL of a 0.1042 M solution of phosphoric acid to reach the endpoint of titration for a 25.00 mL sample of the barium hydroxide solution 3 Ba(OH)2 (aq) + 2 H3PO4 (aq) 6H20 (1) + Baz(PO4)2 (aq) Express your answer in molarity. Do not include the units.
Lab Section Name Date Prelaborator laboratory Problems - Experiment 3-Acids and Bases: Analysis 1.- The ti Hesa, + 2004 the titration of 25.0 mL of a sulfuric acid solution of unknown concentration requires selo ml of a 0.1234 MNOH solution. What is the concentration of the sulfuric acid 0.1234 U Wa Ohm 0.03224 Na Son +2460 3.859548X10" mokes Da OH 2. 10.00 mL of vinegar (mass10.05 g) requires 16.20 end point. Calculate the molarity and mass per 0.05 g) requires...
please type answer or fill in the blanks PLEASE
UU ANITOUESTIONS EXPERIMENT 10 PRE-LABORATORY STANDARDIZATION OF A SODIUM HYDROXIDE SOLUTION NAME DATE 1. What is the purpose of this experiment? 2. A sample of KHP has a mass of 2.345 g is used for a titration, how many moles of KHP is this sample? 3. How many moles of NaOH would be needed to reach the endpoint of this titration with sample of KHP from the previous question? 4. If...
I need help answering the following chemistry lab
questions
Pre-Lab Questions 1. Define the following terms: a) Acid b) Analyte c) Base d) End Point e) Neutralization reactiorn f) Standard solution 8) Titrant h) Titration A 25.00 ml. sample of NaOH was titrated with a 0.743 M HSO, Solution. The endpoint of the titration was observed after the addition of 5.00 ml. of HSO. Calculate the concentration of the NaOH 2. solution. Post-Lab Questions Calculate the volume of a 0.0321...
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