Please HELP 15. Subtract the initial volume from the final volume to calculate the volume of NaOH(aq)required to neutralize the acetic acid in each sample of vinegar.16. Complete the calculations to find the molarity and percentage of acetic acid in vinegar.DATAInitial base buret readingFinal base buret readingTITRATION DATA (REPORT YOUR VOLUMES TO 1/100TH ML)TRIAL 1TRIAL 2TRIAL 3о13.513.492.Convert the average volume of NaOH required to reach endpoint from mL to L(Show calculations here.) 13.36= 0.013361000Molarity of NaOH (recorded from the standard solution bottle)13.49Volume of sodium hydroxiden(NaOH) required to reachendpoint in mL13.5mL 13.49mL 13.49mL 13.1 mVolume of vinegar used15.00 mL15.00 mL15.00 mL15.00 mLAverage volume of NaOH required to reach endpoint in mL(Show calculations here.) 13.49+13.49+13.1 = 13.363EXTRA TRIALM=13.113.36mLCALCULATIONS FOR MOLARITY OF ACETIC ACID IN VINEGAR1. Using the known molarity of NaOH(aq) and the average volume of NaOH(aq) in litersrequired to reach the endpoint, calculate the moles of NaOH used in the titration. Showyour calculations using dimensional analysis or the following equation:0.013360.100mmoles of NaOHLiters of solution0.001386_moles of NaOH used to reach endpoint of titrationSince the acid/base mole ratio is 1:1 for this neutralization reaction, how many moles ofacetic acid (HC₂H₂O₂) are present in a 15.00 mL sample of diluted vinegar?0.001886moles of HC₂H₂O₂ in diluted vinegar sampleK-11 3. Calculate the molarity of acetic acid in the diluted vinegar sample using the calculatedmoles of HC₂H₂O2 in the 15.00 mL diluted vinegar sample. Remember to find molaritythe volume must be in liters. (Show work below)M of HC₂H3O₂ in diluted vinegar sample4. Give the molarity of acetic acid in the vinegar before it was diluted. The original vinegarfrom the store is 10 times more concentrated than the diluted vinegar sample used inthe titration.M of HC₂H3O₂ in undiluted or original vinegarCALCULATIONS FOR MASS PERCENT OF ACETIC ACID IN VINEGAR5. Convert the moles of acetic acid (HC₂H₂O₂) in the diluted vinegar sample (previouslycalculated in question 2) to grams of HC₂H3O₂. Show your work. (You will need to usethe molar mass of acetic acid for this calculation.)g of HC₂H₂O26. Using the equation below, calculate the mass percent of acetic acid in the dilutedvinegar sample. The density of the vinegar is 1.00 g/mL so you can assume that themass of vinegar in grams is essentially equal to the volume of vinegar in mL. Showyour work below.Percent by mass=mass of acetic acidmass of vinegar sample% by mass of HC₂H3O₂ in diluted vinegar sample7. Give the percent by mass of acetic acid in the vinegar before it was diluted. The originalvinegar from the store is 10 times more concentrated than the diluted vinegar sampleused in the titration.by mass of HC₂H3O₂ in undiluted or original vinegarx 100

Given: Titration data of vinegar with NaOHTo determine: Molarity of acid in diluted sample,…

3. Calculate the molarity of acetic acid in the diluted vinegar sample using the calculated moles of HC₂H3O2 in the 15.00 mL diluted vinegar sample. Remember to find molarity the volume must be in liters. (Show work below) M of HC₂H3O₂ in diluted vinegar sample 4. Give the molarity of acetic acid in the vinegar before it was diluted. The original vinegar from the store is 10 times more concentrated than the diluted vinegar sample used in the titration. M of HC₂H3O₂ in undiluted or original vinegar CALCULATIONS FOR MASS PERCENT OF ACETIC ACID IN VINEGAR 5. Convert the moles of acetic acid (HC₂H3O₂) in the diluted vinegar sample (previously calculated in question 2) to grams of HC₂H₂O₂. Show your work. (You will need to use the molar mass of acetic acid for this calculation.) g of HC₂H₂O₂ 6. Using the equation below, calculate the mass percent of acetic acid in the diluted vinegar sample. The density of the vinegar is 1.00 g/mL so you can assume that the mass of vinegar in grams is essentially equal to the volume of vinegar in mL. Show your work below. Percent by mass=- -× 100 mass of acetic acid mass of vinegar sample % by mass of HC₂H3O₂ in diluted vinegar sample 7. Give the percent by mass of acetic acid in the vinegar before it was diluted. The original vinegar from the store is 10 times more concentrated than the diluted vinegar sample used in the titration. .% by mass of HC₂H3O₂ in undiluted or original vinegar

8th Edition

ISBN:9781305079373

Author:William L. Masterton, Cecile N. Hurley

Publisher:William L. Masterton, Cecile N. Hurley

Chapter14: Equilibria In Acid-base Solutions

Section: Chapter Questions

Problem 64QAP