Question

Desk No A. Preparation of Vinegar Sample Calculate the approximate volume of the vinegar sample needed for the analys Pan A.1). 0.0025*60.06 -0,150g 0,150/.05/1.0 = 30 Brand or vinegar ork t owe 1. Mans of Mask ) Apple cider vinger Trial Trial TrialS 101.8g 110.69 16.91g 103. lg 120.89 11982g 13g wag 2919 1. Mass of flask vinegare) 3. Mass of vinegar el B. Analysis of Vinegar Sample 1. Buret reading of Nonin .) 2. Bare ding of N H . .) 3. Volume of NOH used L) 4. Molur concentration of N o . 18.25mL 322mL 47.2mL 32. 2L 47.2L 63. 13.95150mL 0.102nol/L NAOH XuQxo? 153x108 1:45X105 1,42X10 13x13 165x103 8.5X109 9.210 4.910-2 CS% 349 5. Moles of NaOH added imal) 6. Moles of CH.COOH in vinegar (m) 7. Mass of CHCOOH in vinegar * Percent hy mass of CHCOOH in vinegar (*) %. Average percent hy mass of CHCOOH in vinepris) 5.55 "Calculations for Trial of the fint vinegar sample on next page Experiment 10 1. .01395mLx 0.102 = 1.42X40 I mol: Imol 8.5x10-2 4x10 -3 0.-8. 50 Il mol 1.3 X100 yuzu.com/#/books/9781118800140/cf/1571/4/[email protected]:0.00

can someone check the answers I have so far? and calculate the percent mass. thank you!

Answer 1

Percentage of Man of CH₂ coon in vineger is Man of choon x low man of vinegar Dial I 8.5x10-2 1.3 - 6.63 4. Trial 2 9.2 x 162 - x too = 0.97. 10.2 Trial 3 9.98102 x 100 = 3.4 7. 2.91