What is the percent by mass of HC7H5O3 in
the unknown?
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What is the percent by mass of HC7H5O3 in
the unknown?
A volume of 13.78 ml_...
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...
only need answers for 9,10,11 .1016 M NaOH 9. Calculate the molar mass of the unknown...
only need answers for 9,10,11
.1016 M NaOH
9. Calculate the molar mass of the unknown diprotic acid. (Must show calculations) ( mol NaOH mol acid L NaOH L NaOH mol NaOH) = mol acid g acid mol acid) = molar mass acid 10. What is the identity or name of the unknown acid 2? 2. 11. Why do we NOT need to measure the pH and create a titration curve (mL of NaOH added versus pH) to determine the...
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)...
Unknown acid 2 6. Complete the following table. Trial 1 Trial 2 Trial 3 Mass of...
Unknown acid 2 6. Complete the following table. Trial 1 Trial 2 Trial 3 Mass of unknown (8) 0.175 0.120 0.122 Initial buret reading (mL) 0.00 22.37 0.00 Final buret reading (mL) 22.37 44.85 22.83 Volume of NaOH added (mL) 22.37 22.48 22.83 We will assume that the data collected for the first trial is not accurate. 7. What is the average mass of unknown acid for Trials 2 and 3? (Must show calculations) 8. What is the average volume...
B. Analysis of an unknown Acid Trial 1 Mass of bottle + unknown 1.9762 g Mass...
B. Analysis of an unknown Acid Trial 1 Mass of bottle + unknown 1.9762 g Mass of bottle 1.0317 g Mass of unknown used 0.9445 g Final buret reading 21.40 mL Initial buret reading 1.05 ml mL of NaOH used 20.35 ml Mass of KHP used 0.4833 g Percent of KHP Trial 2 1.9557 g 1.0317 g 0.9240 g 39.90 mL 20.05 ml 19.85 ml 0.4714g Trial 3 1.9813 g 1.0317 g 0.94468 41.05 mL 20.65 ml 20.40 mL 0.48458...
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...
lab report titration help please! additional images on lab report 3. Federal standards require that any...
lab report titration help please!
additional images on lab report
3. Federal standards require that any commercial material called "vinegar" must contain as cast acetic acid. According to your results in question 4, does the vinegar sample you titrated meet the Federal standards? Explain why or why not. PART B: IDENTIFICATION OF AN UNKNOWN ACID DATA Molarity of NaOH used Mass of unknown acid used 0.050M 0.5989 14.43mc Average volume of NaOH used in the titration CALCULATIONS 1. Using the...
PRELAB QUESTIONS (RESPOND ON A SEPARATE SHEET OF PAPER): 1. Assume that a drop has a...
PRELAB QUESTIONS (RESPOND ON A SEPARATE SHEET OF PAPER): 1. Assume that a drop has a volume of 0.05 mL. If a titration requires 30.00 mL for 2. For a tablet containing 500 mg of vitamin C, calculate how many mL of 0.095 M NaOH 3. For a tablet containing 1000 mg of vitamin C, calculate the minimum concentration of completion, what % error will each extra drop over 30.00 mL cause? are required (molar mass of ascorbic acid is...
titration lab report additional images of lab report QUESTIONS 1. A student masse 0878 of an...
titration lab report
additional images of lab report
QUESTIONS 1. A student masse 0878 of an unknown acid follows the titration procedure required to reach the endpoint on a 10.0 ml Calculate the molar mass of the acid. masses out 0.878 of die in 100 ml volume and titration procedure of Partsherds th the average volume of Non to reach the endpoint on 100 ml aliquot of the acid solution is 18.3 m . 2. In the vinegar titrations (Part...
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...
only need answers for 9,10,11
.1016 M NaOH
9. Calculate the molar mass of the unknown diprotic acid. (Must show calculations) ( mol NaOH mol acid L NaOH L NaOH mol NaOH) = mol acid g acid mol acid) = molar mass acid 10. What is the identity or name of the unknown acid 2? 2. 11. Why do we NOT need to measure the pH and create a titration curve (mL of NaOH added versus pH) to determine the...
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)...
Unknown acid 2 6. Complete the following table. Trial 1 Trial 2 Trial 3 Mass of unknown (8) 0.175 0.120 0.122 Initial buret reading (mL) 0.00 22.37 0.00 Final buret reading (mL) 22.37 44.85 22.83 Volume of NaOH added (mL) 22.37 22.48 22.83 We will assume that the data collected for the first trial is not accurate. 7. What is the average mass of unknown acid for Trials 2 and 3? (Must show calculations) 8. What is the average volume...
B. Analysis of an unknown Acid Trial 1 Mass of bottle + unknown 1.9762 g Mass of bottle 1.0317 g Mass of unknown used 0.9445 g Final buret reading 21.40 mL Initial buret reading 1.05 ml mL of NaOH used 20.35 ml Mass of KHP used 0.4833 g Percent of KHP Trial 2 1.9557 g 1.0317 g 0.9240 g 39.90 mL 20.05 ml 19.85 ml 0.4714g Trial 3 1.9813 g 1.0317 g 0.94468 41.05 mL 20.65 ml 20.40 mL 0.48458...
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...
lab report titration help please!
additional images on lab report
3. Federal standards require that any commercial material called "vinegar" must contain as cast acetic acid. According to your results in question 4, does the vinegar sample you titrated meet the Federal standards? Explain why or why not. PART B: IDENTIFICATION OF AN UNKNOWN ACID DATA Molarity of NaOH used Mass of unknown acid used 0.050M 0.5989 14.43mc Average volume of NaOH used in the titration CALCULATIONS 1. Using the...
PRELAB QUESTIONS (RESPOND ON A SEPARATE SHEET OF PAPER): 1. Assume that a drop has a volume of 0.05 mL. If a titration requires 30.00 mL for 2. For a tablet containing 500 mg of vitamin C, calculate how many mL of 0.095 M NaOH 3. For a tablet containing 1000 mg of vitamin C, calculate the minimum concentration of completion, what % error will each extra drop over 30.00 mL cause? are required (molar mass of ascorbic acid is...
titration lab report
additional images of lab report
QUESTIONS 1. A student masse 0878 of an unknown acid follows the titration procedure required to reach the endpoint on a 10.0 ml Calculate the molar mass of the acid. masses out 0.878 of die in 100 ml volume and titration procedure of Partsherds th the average volume of Non to reach the endpoint on 100 ml aliquot of the acid solution is 18.3 m . 2. In the vinegar titrations (Part...
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