Multiple ChoiceEach of the numbered items or incomplete statements is followed by answers or by completions of the statement.Select the one lettered answer or completion that is best in each case. Write your answer before each number.27.Quality control department maintain and store records that represent the history of batch from start to finisha. Quality Coordinating officeb. Analytical Laboratoryd. Material Inspection Sectione. Biological Testing LaboratoryC.Specification & Analyrtical Development section28. Which of the following cannot be assay by direct titration with standard base?Citric acid in calamansi juicea. Magnesium hydroxide in Milk of Magnesia C.Acetic acid in vinegarb.d.Diluted phosphoric acid29. This is used for quantitative preparation of a standard solution:a.PipetC.Volumetric flaskb. Graduated cylinderd.Buret

Question 27: The Quality coordinating office is the quality control department maintain and store…

ered items or incomplete statements is followed by answers or by completions of the statement. ered answer or completion that is best in each case. Write your answer before each number. Quality control department maintain and store records that represent the history of batch from start to finish -Quality Coordinating office d. Material Inspection Section e. Biological Testing Laboratory Analytical Laboratory Specification & Analyrtical Development section Which of the following cannot be assay by direct titration with standard base? Magnesium hydroxide in Milk of Magnesia c. Citric acid in calamansi juice Acetic acid in vinegar Diluted phosphoric acid d. his is used for quantitative preparation of a standard solution: - Pipet C. Volumetric flask -Graduated cylinder d. Buret

ered items or incomplete statements is followed by answers or by completions of the statement. ered answer or completion that is best in each case. Write your answer before each number. Quality control department maintain and store records that represent the history of batch from start to finish -Quality Coordinating office d. Material Inspection Section e. Biological Testing Laboratory Analytical Laboratory Specification & Analyrtical Development section Which of the following cannot be assay by direct titration with standard base? Magnesium hydroxide in Milk of Magnesia c. Citric acid in calamansi juice Acetic acid in vinegar Diluted phosphoric acid d. his is used for quantitative preparation of a standard solution: - Pipet C. Volumetric flask -Graduated cylinder d. Buret

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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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…
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