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Colour and Solubility

What is hydra...

Question

What is hydrated and anhydrous salt?

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Solution

Hydrated salt:
A compound with one or more chemically combined water molecule
Example: Copper sulphate pentahydrate (CuSO4.5H2O)
Anhydrous salt:
A compound in which all water molecules are removed is called Anhydrous salt.
Example: Heating of Copper sulphate pentahydrate (CuSO4.5H2O) produce anhydrous copper sulphate(CuSO4)

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Similar questions

Q. Differentiate between hydrated and anhydrous salts .

Q. How can a hydrated salt be converted into anhydrous salt?

Q. Are all the hydrated salts crystalline? What are anhydrous salts?

Q. A crystalline hydrated salt on being rendered anhydrous loses 45.6% of its weight.
The percentage composition of the anhydrous salt is:

A l = 10.5 %, K = 15.1 %, S = 24.8 %

= 49.6 %

A l = 27, K = 39, S = 32

].

What is the empirical formula of the hydrated salt?

2.46 g

of a hydrated salt

(M S O_{4} x H_{2} O)

is completely dehydrated,

1.20 g

of anhydrous salt is obtained. If the molecular weight of anhydrous salt is

120 g

{m o l}^{- 1}

, what is the value of

x

?

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