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What is anhydrous crystals?

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Anonymous

11y ago
Updated: 9/18/2022

A anhydrous crystal is one that has had all of the water molecules removed from it, usually by heating the hydrated crystal to a constant mass.

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Chaz Stroman

Lvl 13
2y ago

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Related Questions

Anhydrous crystals were left uncovered overnight?

Anhydrous crystals are likely to absorb moisture from the air, causing them to become hydrated. This can alter the crystalline structure and purity of the crystals. It is important to store anhydrous crystals in a dry environment to prevent moisture absorption.


What will happen if heat crystals of CuSO4 pentahydrate in a test tube and note the water given off allow to cool and compare the color of anhydrous CuSO4 with original crystals?

Heating crystals of CuSO4 pentahydrate in a test tube will cause the water molecules trapped in the crystal lattice to evaporate, leaving behind anhydrous CuSO4 crystals. The color change observed will be from blue (for the hydrated form) to white (for the anhydrous form).


What substance changes blue anhydrous copper sulphate crystals to white?

Water changes blue anhydrous copper sulphate crystals to white by creating hydrated copper sulphate, which is white in color.


How could water be placed back into anhydrous crystals?

Water can be reintroduced into anhydrous crystals through a process called hydration. This often involves exposing the crystals to water vapor, soaking them in a water bath, or by carefully adding water drop by drop while monitoring the crystal's condition. The hydration process allows the crystals to reabsorb water molecules and revert back to their hydrated form.


What are a few examples of anhydrous crystals?

Anhydrous copper sulphate is a paler blue compared to hydrous copper sulphate. See the related link for further information.


How does hydrated potassium alum visually compare to the anhydrous form?

Hydrated potassium alum appears as colorless or white crystals with a smooth or glassy texture, while the anhydrous form typically appears as a white powder. Hydrated potassium alum can also exhibit water droplets on its surface due to its water content, whereas the anhydrous form does not show this characteristic.


What do you observe when copper sulphate crystals are heated?

With sufficient heating, the blue colored hydrated copper sulfate crystals common at standard temperature and pressure will lose their water of hydration and lose their blue color. With further heating, the anhydrous crystals will melt.


What does the difference between the few crystals of anhydrous calcium chloride and a few crystals of Glauber's salt when are exposed to the atmosphere?

Calcium chloride easily absorb water, it is hygroscopic.


Anhydrous alumnium cloride cannot be obtained by heating crystals of AlCl3.6H2O why?

This is because when crystals of AlCl3.6H2O are heated, they decompose into AlCl3 and water vapor, rather than forming anhydrous AlCl3. The water molecules are released as steam, leaving behind anhydrous aluminum chloride. The presence of water molecules in the crystal structure prevents the formation of anhydrous aluminum chloride by simple heating.


If you add anhydrous sulphate to water do you get a chemical reaction?

yes you do. this is because the anyhdrate was white (crystals) and after adding water, it turned blue


- What would happen to the anhydrous cupric sulfate if you added water to it?

Anhydrous cupric sulfate would form hydrated copper(II) sulfate when water is added to it. This process is exothermic and the anhydrous crystals would dissolve as the water molecules bond with the copper sulfate molecules to form a hydrated crystal structure.


Will damp cobalt chloride turn back blue once dried?

Solid Cobalt chloride crystals are pink when hydrated with water. If you heat the crystal, the water of crystallisation in the crystals will evaporate, leaving you with solid anhydrous cobalt chloride crystals which are blue in colour.