Homework Answers
Moles of HCl= weight of HCl/molecular mass of HCl
1/36.5=0.027
Moles of NaoH= 0.904/39.99=0.002
Moles of base in antacid sample= .208
.208/39.99=.005
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please help woth the following caculations in section c
Trial 2 Trial 1 Trial 2 A....
Part A: Standardization of NaOH Solution Data Table: Trial 1 Trial 2 Trial 3 Tared mass...
Part A: Standardization of NaOH Solution Data Table: Trial 1 Trial 2 Trial 3 Tared mass of KHP (g) 5065 -S168 so40 Molar mass of KHP (g/mol) 204.23 204.23 204.23 Moles of KHP (mol) Buret Reading:Initial Volume of NaOH (mL) .3 23. 2 나6.2. Buret Reading: Final Volume of NaOH (mL) Volume of NaOH dispensed (mL) Molar concentration of NaOH (mol/L) Average Molar concentration of NaOH 28.3 22.1 1145 O533 ces 3 (mol/L) Experiment: Volumetric Analvsis
LAB: Please help with calculations: Brand of vinegar or unknown no Trial 2 Trial Trial 2...
LAB: Please help with calculations:
Brand of vinegar or unknown no Trial 2 Trial Trial 2 Trial 1 1. Mass of fhask (g) 2. Mass of flask + vinegar (g) 3. Mass of vinegar (e) Q B. Analysis of Vinegar Sample 1. Buret reading of NaOH, inirial (ml.) 2. Buret reading of NaOH, final (mL) 3. Volume of NaOH used (ml.) 4. Molar concentration of NaOH (mol/L) 5. Moles of NaOH added (mol) 6. Moles of CH,COOH in vinegar (mol)...
fill in 5-9 A. Preparation of Vinegar Sample Brand of vinegar Trial 1 Trial 2 1....
fill in 5-9
A. Preparation of Vinegar Sample Brand of vinegar Trial 1 Trial 2 1. Volume of vinegar used (mL) 2. Density of vinegar (g/mL) 3. Mass of vinegar used (g) solution - P.V. 5.0 1002 5.01 5.0 1.000 5.01 B. Analysis of Vinegar Sample 1. Buret reading of NaOH, initial (mL) 2. Buret reading of NaOH, final (mL) 3. Volume of NaOH used (mL) 0 0 43.60 46,90 42.60 41.90 1005 4. Molar concentration of NaOH (mol/L) 5....
Unknown acid 1 1. Complete the following table. Trial 1 Trial 2 Trial 3 Mass of...
Unknown acid 1 1. Complete the following table. Trial 1 Trial 2 Trial 3 Mass of unknown (g) 0.110 0.128 0.125 Initial buret reading (mL) 0.00 14.91 31.24 Final buret reading (mL) 14.91 31.24 47.32 Volume of NaOH added (mL) We will assume that the data collected for the first trial is not accurate, 2. What is the average mass of unknown acid for Trials 2 and 3? (Must show calculations) 3. What is the average volume of NaOH added...
stuck on nimbers 5-10 that are blank. please help B. Molar Concentration of an Acid Solution...
stuck on nimbers 5-10 that are blank. please help
B. Molar Concentration of an Acid Solution Acid type, HA or H.A: PA Unknown No. mol NaOH =23 till mass mm + 40 mm Balanced equation for neutralization of acid with NaOH. 1. Volume of acid solution (mL) 2. Buret reading of NaOH, initial (mL) Sample 1 Sample 2 Sample 3 25.0 25.0 25.0 15.7mL 16. 2mL 16.7mL 39,8 ml 40.0mL 40.8ml 24.1mL 23.8mL 24.1mL mor & Avg= 24L 3. Buret...
please complete the missing boxes DER NO. A. Preparation of Vinegar Sample Calculate the approximate volume...
please complete the missing boxes
DER NO. A. Preparation of Vinegar Sample Calculate the approximate volume of the vinegar sample needed for the analyses (Part A.1). Brand of vinegar or unknown no. Trial 1 Trial 2 1. Mass of flask (8) Trial I Trial 2 52.086 62015 57332 550) 66.001 6o. 159 3.015 2.989 2.822 2. Mass of flask + vinegar (8) 3. Mass of vinegar (8) B. Analysis of Vinegar Sample 1. Buret reading of NaOH, initial (mL) 0.02...
Please help with calculations and solutions written out. Thank you! Calculate the approximate volume of the vi...
Please help with calculations and solutions written out. Thank
you!
Calculate the approximate volume of the vinegar sample needed for the analyses Mass of flask (g) Mass of flask + vinegar (g) Mass of vinegar (g) Buret reading of NaOH_2 initial (mL) Buret reading of NaOH, final (mL) Volume of NaOH used (mL) Molar concentration of NaOH (mol/L) Moles of NaOH added (mol) Moles of CH-3COOH in vinegar (mol) Percent by mass of CH_3COOH in vinegar(%) Average percent by mass...
METHOD 1: TITRATION WITH BURET AND INDICATOR. Section:08 Score: /20 Trial 1 Trial 2 Initial buret...
METHOD 1: TITRATION WITH BURET AND INDICATOR. Section:08 Score: /20 Trial 1 Trial 2 Initial buret reading 10.21 ml 1.95 ml 95mL Trial 3 2.75mL Final buret reading 33-35 ml 25.65mL 26.55 mL NaOH (aq) Volume 23:14 mL 23.7 ml 23.8mL 0.09978 M NaOH (from the container) Calculated moles of NaOH(aq) base used to titrate the acid in 5.00 mL aliquot of acid: 0.002301 mot (show your calculations) NaoH 0.02314 Naut 0.09978 mol NaOH NaOH = 0.002309 mol NaOH Calculated...
molar concentration is 0.185 mol/L Arions Date Lob Sec. Name Desk No. secend A. Preparation of...
molar concentration is 0.185 mol/L
Arions Date Lob Sec. Name Desk No. secend A. Preparation of Vinegar Sample Calculate the approximate volume of the vinegar sample needed for the analyses (Part A.1) Sin o (asmilo.1ok) v (o.8326) VE 3.0m2 Sivf Sos . 8326 mol Mo,8326o 0.832 mok give aab ns Kroyer vinegar Brand of vinegar or unknown no Trial 1 Trial 2 Trial 1 Trial 2 28.a31 A.os8glo9.2 91.2052 726787 5.5 .9816 S0203y 8&155 Nolar 14y of a0H- 3.0g 13.30...
25.0 mL used of HCl Brand of Antacid: Meijer Cost of Antacid: 3.29 per 160 tablets...
25.0 mL used
of HCl
Brand of Antacid: Meijer Cost of Antacid: 3.29 per 160 tablets Concentration of HCl solution, M: 0 939 A Concentration of NaOH solution, M: 0.927M Trial 1 Trial 3 1.147 g Trial 2 1.130 g 27.14 ml 1.1499 40.52 mL 13.40 mL 0.00 mL 13.40 mL 27.14 mL Mass of tablet, g Final buret reading mL Initial buret reading, mL Volume of Titrant, mL Number of moles of HCI added, mol Number of moles of...
Part A: Standardization of NaOH Solution Data Table: Trial 1 Trial 2 Trial 3 Tared mass of KHP (g) 5065 -S168 so40 Molar mass of KHP (g/mol) 204.23 204.23 204.23 Moles of KHP (mol) Buret Reading:Initial Volume of NaOH (mL) .3 23. 2 나6.2. Buret Reading: Final Volume of NaOH (mL) Volume of NaOH dispensed (mL) Molar concentration of NaOH (mol/L) Average Molar concentration of NaOH 28.3 22.1 1145 O533 ces 3 (mol/L) Experiment: Volumetric Analvsis
LAB: Please help with calculations:
Brand of vinegar or unknown no Trial 2 Trial Trial 2 Trial 1 1. Mass of fhask (g) 2. Mass of flask + vinegar (g) 3. Mass of vinegar (e) Q B. Analysis of Vinegar Sample 1. Buret reading of NaOH, inirial (ml.) 2. Buret reading of NaOH, final (mL) 3. Volume of NaOH used (ml.) 4. Molar concentration of NaOH (mol/L) 5. Moles of NaOH added (mol) 6. Moles of CH,COOH in vinegar (mol)...
fill in 5-9
A. Preparation of Vinegar Sample Brand of vinegar Trial 1 Trial 2 1. Volume of vinegar used (mL) 2. Density of vinegar (g/mL) 3. Mass of vinegar used (g) solution - P.V. 5.0 1002 5.01 5.0 1.000 5.01 B. Analysis of Vinegar Sample 1. Buret reading of NaOH, initial (mL) 2. Buret reading of NaOH, final (mL) 3. Volume of NaOH used (mL) 0 0 43.60 46,90 42.60 41.90 1005 4. Molar concentration of NaOH (mol/L) 5....
Unknown acid 1 1. Complete the following table. Trial 1 Trial 2 Trial 3 Mass of unknown (g) 0.110 0.128 0.125 Initial buret reading (mL) 0.00 14.91 31.24 Final buret reading (mL) 14.91 31.24 47.32 Volume of NaOH added (mL) We will assume that the data collected for the first trial is not accurate, 2. What is the average mass of unknown acid for Trials 2 and 3? (Must show calculations) 3. What is the average volume of NaOH added...
stuck on nimbers 5-10 that are blank. please help
B. Molar Concentration of an Acid Solution Acid type, HA or H.A: PA Unknown No. mol NaOH =23 till mass mm + 40 mm Balanced equation for neutralization of acid with NaOH. 1. Volume of acid solution (mL) 2. Buret reading of NaOH, initial (mL) Sample 1 Sample 2 Sample 3 25.0 25.0 25.0 15.7mL 16. 2mL 16.7mL 39,8 ml 40.0mL 40.8ml 24.1mL 23.8mL 24.1mL mor & Avg= 24L 3. Buret...
please complete the missing boxes
DER NO. A. Preparation of Vinegar Sample Calculate the approximate volume of the vinegar sample needed for the analyses (Part A.1). Brand of vinegar or unknown no. Trial 1 Trial 2 1. Mass of flask (8) Trial I Trial 2 52.086 62015 57332 550) 66.001 6o. 159 3.015 2.989 2.822 2. Mass of flask + vinegar (8) 3. Mass of vinegar (8) B. Analysis of Vinegar Sample 1. Buret reading of NaOH, initial (mL) 0.02...
Please help with calculations and solutions written out. Thank
you!
Calculate the approximate volume of the vinegar sample needed for the analyses Mass of flask (g) Mass of flask + vinegar (g) Mass of vinegar (g) Buret reading of NaOH_2 initial (mL) Buret reading of NaOH, final (mL) Volume of NaOH used (mL) Molar concentration of NaOH (mol/L) Moles of NaOH added (mol) Moles of CH-3COOH in vinegar (mol) Percent by mass of CH_3COOH in vinegar(%) Average percent by mass...
METHOD 1: TITRATION WITH BURET AND INDICATOR. Section:08 Score: /20 Trial 1 Trial 2 Initial buret reading 10.21 ml 1.95 ml 95mL Trial 3 2.75mL Final buret reading 33-35 ml 25.65mL 26.55 mL NaOH (aq) Volume 23:14 mL 23.7 ml 23.8mL 0.09978 M NaOH (from the container) Calculated moles of NaOH(aq) base used to titrate the acid in 5.00 mL aliquot of acid: 0.002301 mot (show your calculations) NaoH 0.02314 Naut 0.09978 mol NaOH NaOH = 0.002309 mol NaOH Calculated...
molar concentration is 0.185 mol/L
Arions Date Lob Sec. Name Desk No. secend A. Preparation of Vinegar Sample Calculate the approximate volume of the vinegar sample needed for the analyses (Part A.1) Sin o (asmilo.1ok) v (o.8326) VE 3.0m2 Sivf Sos . 8326 mol Mo,8326o 0.832 mok give aab ns Kroyer vinegar Brand of vinegar or unknown no Trial 1 Trial 2 Trial 1 Trial 2 28.a31 A.os8glo9.2 91.2052 726787 5.5 .9816 S0203y 8&155 Nolar 14y of a0H- 3.0g 13.30...
25.0 mL used
of HCl
Brand of Antacid: Meijer Cost of Antacid: 3.29 per 160 tablets Concentration of HCl solution, M: 0 939 A Concentration of NaOH solution, M: 0.927M Trial 1 Trial 3 1.147 g Trial 2 1.130 g 27.14 ml 1.1499 40.52 mL 13.40 mL 0.00 mL 13.40 mL 27.14 mL Mass of tablet, g Final buret reading mL Initial buret reading, mL Volume of Titrant, mL Number of moles of HCI added, mol Number of moles of...
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