for experiment
. A commercial vinegar is analyzed for the percent acetic acid present. The data for Trial 1 is listed in the table below. Complete the table to determine the percent. Record calculated values with the correct number of significant figures.
A. Preparation of Vinegar Sample | Calculation Zone | |
| 3.06 | |
B. Analysis of Vinegar Sample | ||
1. Buret reading, initial (mL) | 3.70 | |
| 25.40 | |
| _____ | |
| _____ | |
| _____ | |
| _____ | |
| _____ | |
| _____ | |
5. b. For Trials 2 and 3. the percent CH3COOH in vinegar was 5.01% and 4.66% respectively.
a. What is the average percent of CH3COOH in the vinegar sample?
b. What arc the standard deviation and the relative standard deviation (%RSD) for the percent of CH3COOH in the vinegar sample?
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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....
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...
For Trials 2 and 3, the percent CH_3COOH in vinegar was 5.01% and 4.66% respectively. What is the average per...
For Trials 2 and 3, the percent CH_3COOH in vinegar was 5.01% and 4.66% respectively. What is the average percent of CH_3COOH in the vinegar sample? Data Analysis, B. What are the standard deviation and the relative standard deviation (%RSD) for the percent of CH_3COOH in the vinegar sample? Data Analysis, C and D.
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...
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)...
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...
A student weighs 0.683 g of potassium acid phthalate, HKC_8H_4O_4, abbreviated KHP (MM = 204.2 g/mol)...
A student weighs 0.683 g of potassium acid phthalate, HKC_8H_4O_4, abbreviated KHP (MM = 204.2 g/mol) and titrates it with NaoH. The initial buret reading is 0.12 mL and the final buret reading at the end-point is 33.86 mL. a. How many moles of KHP were used? _________ b. How many moles of NaoH were used? ___________ c. What is the molarity of the base? The student then titrates 5.00 mL of vinegar with the same base. The initial 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...
Given the following information what is the number of moles of CH3COOH in vinegar sample (M)...
Given the following information what is the number of moles of
CH3COOH in vinegar sample (M)
V 1.2.3 V 1.2.3 Experiment 615 Titration of Vinegar Chemistry 06 Part 5: Data Table Determination res 1. Volume of vinegar sample (ml) 2. Molarity of NaOH standard solution (M) 1 2 15 mL IsmL 0.4173 M .4173M 0.00mL I 18.17 18.11 36.39 3. Initial buret reading (ml) 4. Final buret reading (ml) Section 4. Calenlations
B. Molar Concentration of an Acid Solution Acid type, HA or H,A: HAUnknown No. Balanced equation...
B. Molar Concentration of an Acid Solution Acid type, HA or H,A: HAUnknown No. Balanced equation for neutralization of acid with NaOH Sample 3 25.0 24.0 Sample Sample 2 1. Volume of acid solution (ml) 2. Buret reading of NaOH, initial (mL) 3. Buret reading of NaOH. final (ml) 4. Volume of NaOH dispensed (mL) 5. Molar concentration of NaOH (mol/L), Part A 6. Moles of NaOH dispensed (mol) 7. Molar concentration of acid solution (mol/L) 25.0 25.0 IH. 8....
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....
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...
For Trials 2 and 3, the percent CH_3COOH in vinegar was 5.01% and 4.66% respectively. What is the average percent of CH_3COOH in the vinegar sample? Data Analysis, B. What are the standard deviation and the relative standard deviation (%RSD) for the percent of CH_3COOH in the vinegar sample? Data Analysis, C and D.
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...
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)...
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...
A student weighs 0.683 g of potassium acid phthalate, HKC_8H_4O_4, abbreviated KHP (MM = 204.2 g/mol) and titrates it with NaoH. The initial buret reading is 0.12 mL and the final buret reading at the end-point is 33.86 mL. a. How many moles of KHP were used? _________ b. How many moles of NaoH were used? ___________ c. What is the molarity of the base? The student then titrates 5.00 mL of vinegar with the same base. The initial 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...
Given the following information what is the number of moles of
CH3COOH in vinegar sample (M)
V 1.2.3 V 1.2.3 Experiment 615 Titration of Vinegar Chemistry 06 Part 5: Data Table Determination res 1. Volume of vinegar sample (ml) 2. Molarity of NaOH standard solution (M) 1 2 15 mL IsmL 0.4173 M .4173M 0.00mL I 18.17 18.11 36.39 3. Initial buret reading (ml) 4. Final buret reading (ml) Section 4. Calenlations
B. Molar Concentration of an Acid Solution Acid type, HA or H,A: HAUnknown No. Balanced equation for neutralization of acid with NaOH Sample 3 25.0 24.0 Sample Sample 2 1. Volume of acid solution (ml) 2. Buret reading of NaOH, initial (mL) 3. Buret reading of NaOH. final (ml) 4. Volume of NaOH dispensed (mL) 5. Molar concentration of NaOH (mol/L), Part A 6. Moles of NaOH dispensed (mol) 7. Molar concentration of acid solution (mol/L) 25.0 25.0 IH. 8....
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