(a) Differenciate between colloidal and crystalline suspension? (b) A 0.5g sample of CaCO3 is dissolved in an acidic solution. The calcium is precipitated as CazC204.H20 and the dry precipitate is found to weigh 0.72g. What is the percentage of CaO in the sample. (C) Explain the Von Weimarn ratio?

(a) Differenciate between colloidal and crystalline suspension? (b) A 0.5g sample of CaCO3 is dissolved in an acidic solution. The calcium is precipitated as CazC204.H20 and the dry precipitate is found to weigh 0.72g. What is the percentage of CaO in the sample. (C) Explain the Von Weimarn ratio?

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter12: Gravimetric Methods Of Analysis

Section: Chapter Questions

Problem 12.1QAP

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(a) Differenciate between colloidal and crystalline suspension?
(b) A 0.5g sample of Cacoz is dissolved in an acidic solution. The calcium is precipitated as CazC204.H20 and the dry precipitate is found to weigh
0.72g. What is the percentage of Cao in the sample.
(C) Explain the Von Weimarn ratio?

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