Examine the impact of the following circumstance on the PURITY of the sample. Decide whether the situation will INCREASE, DECREASE, HAVE NO EFFECT, or BE INDETERMINATE. EXPLAIN THE TREND IN THREE SENTENCES OR LESS IN THE "OTHER" Given Item IN THE OPTIONS. 1. The factor used in the computation of %P for calcium carbonate in complexamein, is 2. 2. In complexometric titration of calcium in the presence of magnesium, no masking agent was applied in the solution. 3. In the preparation and standardization of disodium edetate, mineral water was used. 4. The standardization of disodium edetate was conducted in acidic media. 5. Alcohol was not added in the standardization of Zinc Sulfate. 6. Titration of halides using argentometry is conducted in the presence of sunlight. 7. In the standardization of ammonium thiocyanate, 15 mL of 0.1 N silver nitrate VS was measured into a glass-stoppered flask, then titrated with ammonium thiocyanate.

Examine the impact of the following circumstance on the PURITY of the sample. Decide whether the situation will INCREASE, DECREASE, HAVE NO EFFECT, or BE INDETERMINATE. EXPLAIN THE TREND IN THREE SENTENCES OR LESS IN THE "OTHER" Given Item IN THE OPTIONS. 1. The factor used in the computation of %P for calcium carbonate in complexamein, is 2. 2. In complexometric titration of calcium in the presence of magnesium, no masking agent was applied in the solution. 3. In the preparation and standardization of disodium edetate, mineral water was used. 4. The standardization of disodium edetate was conducted in acidic media. 5. Alcohol was not added in the standardization of Zinc Sulfate. 6. Titration of halides using argentometry is conducted in the presence of sunlight. 7. In the standardization of ammonium thiocyanate, 15 mL of 0.1 N silver nitrate VS was measured into a glass-stoppered flask, then titrated with ammonium thiocyanate.

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter21: Potentiometry

Section: Chapter Questions

Problem 21.25QAP

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