87. What is the use of barium hydroxide in the precipitation of standard NaOH solution? a. catalyst b. preservative c. precipitate any carbonate in present in solution d. prevent the reaction of NaOH with carbonate 88. The general inspection levels on the right-hand side of the master table are the ones to be used in most sampling cases. Unless otherwise specified, Inspection level_ should be used a. I C. III b. IV d. II 89.33.5ml of 0.9998N NaOH was used in the titration of 50ml HCI solution. Calculate the normality. a. 0.6969N C. 0.6779N b. 0.6689N d. 0.6699N
87. What is the use of barium hydroxide in the precipitation of standard NaOH solution? a. catalyst b. preservative c. precipitate any carbonate in present in solution d. prevent the reaction of NaOH with carbonate 88. The general inspection levels on the right-hand side of the master table are the ones to be used in most sampling cases. Unless otherwise specified, Inspection level_ should be used a. I C. III b. IV d. II 89.33.5ml of 0.9998N NaOH was used in the titration of 50ml HCI solution. Calculate the normality. a. 0.6969N C. 0.6779N b. 0.6689N d. 0.6699N
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
Chapter4: Types Of Chemical Reactions And Solution Stoichiometry
Section: Chapter Questions
Problem 108AE: Consider a 1.50-g mixture of magnesium nitrate and magnesium chloride. After dissolving this mixture...
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