LABORATORY SIMULATION Lab Data Verify your volume measurement Standardized NaOH (M) Initial volume of buret (mL) Volume of vinegar (mL) Observations sodium hydroxide levels dropped Final volume of buret (mL) Volume of NaOH (mL) Molarity of acetic acid (M) ODUCTION 0.3803 1.42 10.00 21.57 How to calculate vinegar concentration METHODS - X RESET ||||||||||| MY NO

LABORATORY SIMULATION Lab Data Verify your volume measurement Standardized NaOH (M) Initial volume of buret (mL) Volume of vinegar (mL) Observations sodium hydroxide levels dropped Final volume of buret (mL) Volume of NaOH (mL) Molarity of acetic acid (M) ODUCTION 0.3803 1.42 10.00 21.57 How to calculate vinegar concentration METHODS - X RESET ||||||||||| MY NO

Principles of Modern Chemistry

8th Edition

ISBN:9781305079113

Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Chapter14: Chemical Equilibrium

Section: Chapter Questions

Problem 94AP

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and Employees CH STATE GE 90 ENDULERSE IS FOREVER "ON-Tame Name Jodi Rayal Molarity = wt. x1000 3. Calculate the massof Potassium hydrogen phthalate (KHP) to prepare a 250.0 mL solution of 0.1000 M KHP solution. Mol ut. x Voluse the 2500×1000 204.22250 mass Initial Buret Reading Final Buret Reading Vol NaOH Added Moles of NaOH Moles of HCI Volume of unknown HCI solution Concentration of HCI Average concentration of HCI of KHP = 5.11g 4. Complete the table below for the following neutralization reaction of an unknown concentration of hydrochloric acid with 0.100 M sodium hydroxide: Mu spate solution Trial 1 0 11.15 го data and calculate the concentration 15 Trial 2 11.15 22.15 Trial 3 22.15 33.25 abyh 067 LANDINUKASHU TROWTHCENTISSATE ARAD Ma That par މއކނި REMURNAR MISAMARALISERDRY Tile
Quantity Your Data 1. Grams of vinegar sample used for your titration 25.000 g 2. Initial Buret Reading of Sodium Hydroxide solution 10.00 mL 3. Final Buret Reading of Sodium Hydroxide solution 28.00 mL 4. Amount of Sodium Hydroxide Solution used to neutralize the vinegar sample 5. Concentration of NaOH in the NaOH solution 0.050 g/mL 6. Grams of NaOH used to neutralize the vinegar 7. Grams of acetic neutralized by the amount of NaOH 8. Percent acetic acid in the vinegar Hints: For #4, The amount of NaOH used is the difference between the starting buret value and the ending buret value. For #6, Once you calculate the amount of sodium hydroxide used, multiple that value by the concentration of NaOH in the NaOH solution. For #7, Multiply the value obtained in number 6 by the number 1.5. Remember, we learned that every 1 gram of NaOH neutralizes 1.5 grams of acetic acid. For #8, Divide the grams of acetic acid by the grams of vinegar sample and multiply this value by…
At a certain temperature BaF2 has Ksp = 1.7 x 10-6.A solution of concentrated NaF is added dropwise to a solution that is 0.0144 M in Ba2+. What will the concentration of F- be when BaF2 starts precipitating. Neglect volume changes.Provide your answer in E-notation, rounded to 2 significant digits.
A 1.407 g sample of canned tuna was analyzed by the Kjeldahl method. The liberated NH3 required 26.45 mL of 0.1180 M HCl. Calculate the percentage nitrogen and protein in the sample. Assume that the protein factor is 6.25, i.e. % protein = % N x 6.25.
Using the image attached for conclusion please make 1 paragraph - The cations present in cation mixture were... - The anions present in anions mixture were... - The cations present in unknown solution were... - The anions present in unknown solution were... Please please please answer as fast as possible please
Ca2+ in a drinking water sample was analyzed by the following reactions below: Ca2+(aq) + C2O42-(aq) → CaC2O4 (s) → CaO(s) + CO(g)+ CO2(g) First an excess of C2O42- was added to 0.10 L of the Ca2+ water sample. Then CaC2O4 was precipitated, which was demcomposed into CaO with filtering and some heat. The CaO was measured to be 5.61 mg. What is the concentration of Ca2+ in the original water sample? The MW of CaO is 56.1 g/mol. 0.0100M 0.0010 M 1.00 M 0.100 M The partition coefficient (K) of methylamine (CH3NH2) is 4.50, preferring the organic layer over the aqueous layer in this extraction. The Ka of methylammonium (CH3NH3+) is 2.00 x 10-11. If 10 mL aqueous methylamine solution at pH 11.0 is extracted with 20.0 mL organic solvent, what is the fraction of solute remaining in the water (q)? HINT: methylamine is a weak base. 14.3% 10.0% 18.2% 81.8%
A researcher wants to determine the concentration of beta-carotene in carrots. She obtains a 0.609 M stock solution of beta-carotene and creates Dilution A by transferring 13.00 mL of stock solution into a new container and diluting it with solvent to a final volume of 96.00 mL. She creates Dilution B by transferring 52.00 mL of stock solution into a new container and diluting it with solvent to a final volume of 78.00 mL. She creates Dilution C by transferring 2.00 mL of Dilution B into a new container and diluting it with solvent to a final volume of 21.00 mL. What is the concentration in mM of Dilution C? Report your answer with one place after the decimal.
*** CALULATE FINL CONCENTRATION USING 2 IG FIGS AND APPROPRIATE UNITS A 6.0 mLmsample of a 50.0 % (mm/vv) acetic acid (HC2H3O2) solution is added to water to give a final volume of 34 mL.
please help solve Concentration of AR Stock Solution (ppmppm) 21.22 Unrounded Rounded Concentration of AR Stock Solution (μMμM) 42.7461 42.7
A researcher wants to determine the concentration of beta-carotene in carrots. She obtains a 0.677 M stock solution of beta-carotene and creates Dilution A by transferring 25.00 mL of stock solution into a new container and diluting it with solvent to a final volume of 94.00 mL. She creates Dilution B by transferring 50.00 mL of stock solution into a new container and diluting it with solvent to a final volume of 83.00 mL. She creates Dilution C by transferring 6.00 mL of Dilution B into a new container and diluting it with solvent to a final volume of 21.00 mL. She measures the absorbance of each solution and obtains the values below. Plot the data in a spreadsheet software and determine the best-fit line. What is the slope of the best-fit line? Report your answer with three places after the decimal. Remember to draw a dilution diagram! The best-fit line will likely look atrocious, since this is completely fictitious data. Solution Absorbance Stock solution 0.844 Dilution A…
A researcher wants to determine the concentration of beta-carotene in carrots. She obtains a 0.677 M stock solution of beta-carotene and creates Dilution A by transferring 25.00 mL of stock solution into a new container and diluting it with solvent to a final volume of 94.00 mL. She creates Dilution B by transferring 50.00 mL of stock solution into a new container and diluting it with solvent to a final volume of 83.00 mL. She creates Dilution C by transferring 6.00 mL of Dilution B into a new container and diluting it with solvent to a final volume of 21.00 mL. She measures the absorbance of each solution and obtains the values below. Plot the data in a spreadsheet software and determine the best-fit line. What is the slope of the best-fit line? Report answer with three places after the decimal. Solution Absorbance Stock solution 0.844 Dilution A 0.140 Dilution B 0.463 Dilution C 0.223
Pls do fast and i will rate instantly for sure Solution must be in typed form A 25.0 mL volume of 0.0106 M KIO3 is pipetted into a 250-mL Erlenmeyer flask. The solution is titrated to the stoichiometric point with 16.25 mL of a sodium thiosulfate solution. What is the molar concentration of the sodium thiosulfate solution?