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need help answering questions 1 & 3
1. Calculate the grams of KMnO needed to prepare...
1. Calculate the grams of KMnO needed to prepare 250 mL of 0.10 M KMnO, 2....
1. Calculate the grams of KMnO needed to prepare 250 mL of 0.10 M KMnO, 2. Actual mass of KMnO, used stellolí 3 3.498g bebispo board soboto 3. Actual molarity of KMnO, solution M= dolmL 4. Calibration of buret TITRATION data Trial 1 Trial 2 Trial 3 5. Mass of dry 250 ml flask 44.51 44,51 44.51 6. Mass of flask & H,0, soln 47.12 49.84 52.42 7. Mass of H, O, solution 8. Buret readings 0 Initial buret reading...
i need help answering the table by tonight for my test!! thank you!! Trial 1 Prelaboratory...
i need help answering the table by tonight for my test!! thank
you!!
Trial 1 Prelaboratory Assignment 1. What is the primary standard used in this experiment? What is the molar mass of the primary standard? 2. Use the chemical formula for the primary standard to write the chemical reaction for the standardization of potassium permanganate. 3. What will indicate the endpoint of the titration? 4. A 0.495 g sample of iron containing salt required 20.22 mL of 0.0194 M...
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...
can some fill out this table for me with work? able 4: Standardization of KMnO, solution...
can
some fill out this table for me with work?
able 4: Standardization of KMnO, solution Weight of H-C-04-2H,0 (8) Molarity of H.C_042H,O Solution (M) Volume of H.C204 2H2O used per titration (ML) Moles of Oxalate (mole) 5 Moles of KMnO4 (mole) 2 T1.GO 0.05m 120ml Initial buret reading (mL) Final buret reading (mL) Volume of KMnO4 (mL) Molarity of KMnO4 Solution (M) Average Molarity of KMnO Solution (M) Run #1 Run #2 Run # 3 Olli 10.18 Toda 223.28...
Partner: 1. How many grams of NiCl2:6H20 will be used to prepare a 0.0350 M. 500.0...
Partner: 1. How many grams of NiCl2:6H20 will be used to prepare a 0.0350 M. 500.0 mL of NiCl! solution? 2. How many milliliters of 12.0 M HCl are required to prepare a 2.00 M 250.0 mL of HCI solution? 3. 15.00 mL of an unknown concentrated solution was diluted to 100.0 mL. Then 35.00 mL of this diluted acid solution was titrated with 23.24 mL of 0.3724 M standard NaOH solution to reach the ending point. What is the...
please help on all questions in the pics... numbers: b, c, d, e, f 3. A...
please help on all questions in the pics...
numbers: b, c, d, e, f
3. A student collected the following data in the laboratory. mass of flask, g 52.87 mass of flask and sample, g 53.42 concentration of NaOH solution, M 0.101 initial buret reading, mL 23.78 final buret reading, mL Lab 9: Determining Ascorbic Acid in Vitamin C Tablets (b) what volume, in liters, of NaOH solution was used in the titration? O.101 X23.78 4.80356 Mb O.50 (c) How...
please help on all questions and explain because i really need help in this!!! :) 1) After rinsing the buret with w...
please help on all questions and explain because i really need
help in this!!! :)
1) After rinsing the buret with water, filling the buret with the solu forgot to do this? the buret with water, why was it rinsed three times with the NaOH solution before uret with the solution? How would this affect your final molarity of NaOH, if you 2) Does the amount of water used to dissolve the KHP affect the molarity of the NaOH solution?...
Need help someone please help me like right now.thank you in advance!!!!!! VALUE Volume original vinegar...
Need help someone please help me like right now.thank you in
advance!!!!!!
VALUE Volume original vinegar solution Volume diluted vinegar solution Dilution Factor Molarity of NaOH SD 5 ml DZAM TRIAL 1 TRIAL 2 TRIAL 3 HL 10.00mL 0.0 ML SolomL 15. lom 11. 5. 110. 20ml 5.10mL In 10.20m 15. Gou 5.20ml Volume of diluted vinegar sample used in each titration (mL) #2 Initial buret reading (mL) Final buret reading (ml) Volume of NaOH Moles of NaOH Moles of...
need help with the Molarity of both parts EXPERIMENT 8: AN OXIDATION-REDUCTION TITRATION DATA SHEET 0.2M...
need help with the Molarity of both parts
EXPERIMENT 8: AN OXIDATION-REDUCTION TITRATION DATA SHEET 0.2M 10 m2 Concentration of original KMnO solution Volume of Original KMnO4 solution used Molarity of KNOWN HOCg04 D.ISOM Standardization of KMnO solution. Sample 3 Sample 1 Volume H2C204 11.00ML Initial buret reading (KMnO4) .00 mc Final buret reading (KMnO4) 12.00ML Volume KMnO4 12.00ml Molarity KMnO4 Average (KMnO4) Sample 2 4:00ML 12.00mL 13.5ML . SOL Determination of Unknown Solution Sample 3 Sample 1 4ml Volume...
1. The procedure says we are to use "about" the mass of KMnO, needed to make...
1. The procedure says we are to use "about" the mass of KMnO, needed to make 250 ml of 0.02 M solution and for you to record the amount of Na2C20, used to at least the thousandths place. Why is the precision required so different?
1. Calculate the grams of KMnO needed to prepare 250 mL of 0.10 M KMnO, 2. Actual mass of KMnO, used stellolí 3 3.498g bebispo board soboto 3. Actual molarity of KMnO, solution M= dolmL 4. Calibration of buret TITRATION data Trial 1 Trial 2 Trial 3 5. Mass of dry 250 ml flask 44.51 44,51 44.51 6. Mass of flask & H,0, soln 47.12 49.84 52.42 7. Mass of H, O, solution 8. Buret readings 0 Initial buret reading...
i need help answering the table by tonight for my test!! thank
you!!
Trial 1 Prelaboratory Assignment 1. What is the primary standard used in this experiment? What is the molar mass of the primary standard? 2. Use the chemical formula for the primary standard to write the chemical reaction for the standardization of potassium permanganate. 3. What will indicate the endpoint of the titration? 4. A 0.495 g sample of iron containing salt required 20.22 mL of 0.0194 M...
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...
can
some fill out this table for me with work?
able 4: Standardization of KMnO, solution Weight of H-C-04-2H,0 (8) Molarity of H.C_042H,O Solution (M) Volume of H.C204 2H2O used per titration (ML) Moles of Oxalate (mole) 5 Moles of KMnO4 (mole) 2 T1.GO 0.05m 120ml Initial buret reading (mL) Final buret reading (mL) Volume of KMnO4 (mL) Molarity of KMnO4 Solution (M) Average Molarity of KMnO Solution (M) Run #1 Run #2 Run # 3 Olli 10.18 Toda 223.28...
Partner: 1. How many grams of NiCl2:6H20 will be used to prepare a 0.0350 M. 500.0 mL of NiCl! solution? 2. How many milliliters of 12.0 M HCl are required to prepare a 2.00 M 250.0 mL of HCI solution? 3. 15.00 mL of an unknown concentrated solution was diluted to 100.0 mL. Then 35.00 mL of this diluted acid solution was titrated with 23.24 mL of 0.3724 M standard NaOH solution to reach the ending point. What is the...
please help on all questions in the pics...
numbers: b, c, d, e, f
3. A student collected the following data in the laboratory. mass of flask, g 52.87 mass of flask and sample, g 53.42 concentration of NaOH solution, M 0.101 initial buret reading, mL 23.78 final buret reading, mL Lab 9: Determining Ascorbic Acid in Vitamin C Tablets (b) what volume, in liters, of NaOH solution was used in the titration? O.101 X23.78 4.80356 Mb O.50 (c) How...
please help on all questions and explain because i really need
help in this!!! :)
1) After rinsing the buret with water, filling the buret with the solu forgot to do this? the buret with water, why was it rinsed three times with the NaOH solution before uret with the solution? How would this affect your final molarity of NaOH, if you 2) Does the amount of water used to dissolve the KHP affect the molarity of the NaOH solution?...
Need help someone please help me like right now.thank you in
advance!!!!!!
VALUE Volume original vinegar solution Volume diluted vinegar solution Dilution Factor Molarity of NaOH SD 5 ml DZAM TRIAL 1 TRIAL 2 TRIAL 3 HL 10.00mL 0.0 ML SolomL 15. lom 11. 5. 110. 20ml 5.10mL In 10.20m 15. Gou 5.20ml Volume of diluted vinegar sample used in each titration (mL) #2 Initial buret reading (mL) Final buret reading (ml) Volume of NaOH Moles of NaOH Moles of...
need help with the Molarity of both parts
EXPERIMENT 8: AN OXIDATION-REDUCTION TITRATION DATA SHEET 0.2M 10 m2 Concentration of original KMnO solution Volume of Original KMnO4 solution used Molarity of KNOWN HOCg04 D.ISOM Standardization of KMnO solution. Sample 3 Sample 1 Volume H2C204 11.00ML Initial buret reading (KMnO4) .00 mc Final buret reading (KMnO4) 12.00ML Volume KMnO4 12.00ml Molarity KMnO4 Average (KMnO4) Sample 2 4:00ML 12.00mL 13.5ML . SOL Determination of Unknown Solution Sample 3 Sample 1 4ml Volume...
1. The procedure says we are to use "about" the mass of KMnO, needed to make 250 ml of 0.02 M solution and for you to record the amount of Na2C20, used to at least the thousandths place. Why is the precision required so different?
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