It is often possible to change a hydrate into an anhydrous compound by heating it to drive off the water (dehydration). A 36.72 gram sample of a hydrate of Bal2 was heated thoroughly in a porcelain crucible, until its weight remained constant. After heating, 28.77 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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It is often possible to change a hydrate into an anhydrous compound by heating it to drive off the water (dehydration).

A 36.72 gram sample of a hydrate of BaI₂ was heated thoroughly in a porcelain crucible, until its weight remained constant. After heating, 28.71 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.*

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**Image Explanation:**

The image shows a porcelain crucible containing a sample labeled as "anhydrous salt" and "hydrated salt." The anhydrous salt, which results from heating the sample to remove water, can be seen on the surface, distinct from the hydrated salt. This visual aids in understanding how heat changes the composition by removing water.
Transcribed Image Text:It is often possible to change a hydrate into an anhydrous compound by heating it to drive off the water (dehydration). A 36.72 gram sample of a hydrate of BaI₂ was heated thoroughly in a porcelain crucible, until its weight remained constant. After heating, 28.71 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.* --- **Image Explanation:** The image shows a porcelain crucible containing a sample labeled as "anhydrous salt" and "hydrated salt." The anhydrous salt, which results from heating the sample to remove water, can be seen on the surface, distinct from the hydrated salt. This visual aids in understanding how heat changes the composition by removing water.
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