(dehydration). A 48.43 gram sample of a hydrate of CaSO4 was heated thoroughly in a porcelain crucible, until its weight remained constant. After heating, 38.30 grams of the anhydrous compound remained. What is the formula of the hydrate? Use a period instead of a dot in the formula of the hydrate.

(dehydration). A 48.43 gram sample of a hydrate of CaSO4 was heated thoroughly in a porcelain crucible, until its weight remained constant. After heating, 38.30 grams of the anhydrous compound remained. What is the formula of the hydrate? Use a period instead of a dot in the formula of the hydrate.

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter7: Statistical Data Treatment And Evaluation

Section: Chapter Questions

Problem 7.27QAP

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Question

It is often possible to change a
hydrate into an anhydrous compound
by heating it to drive off the water
(dehydration).
A 48.43 gram sample of a hydrate of
CaSO4 was heated thoroughly in a
porcelain crucible, until its weight
remained constant. After heating,
38.30 grams of the anhydrous
compound remained. What is the
formula of the hydrate?
Use a period instead of a dot in the formula
of the hydrate.
anhydrous salt
--hydrated salt

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