Respuesta :

mishrakalapna335

Answer:

Add copper (II) oxide (insoluble base), a little at a time to the warm dilute sulfuric acid and stir until the copper (II) oxide is in excess (stops disappearing) Filter the mixture into an evaporating basin to remove the excess copper (II) oxide. Leave the filtrate in a warm place to dry and crystallize.

The three main steps involved in producing crystals of the salt copper sulfate is listed below.

What is the process of making Soluble Salts ?

Soluble salts can be made by reacting acids with soluble or insoluble reactants.

Titration method is used if the reactants are soluble

Insoluble salts are made by precipitation reactions.

For producing crystals of the salt Copper Sulfate from copper oxide following three steps needs to be done ,

1. Copper oxide is added continuously with a spatula to the Water Bath heated  Sulfuric Acid , until it gets in excess.

2. The mixture is filtered to remove extra Copper Oxide, and then pour the filtrate (Copper sulfate solution) into an evaporating basin , where it is heated to evaporate half of the water .

3. The solution is poured into a watch glass so that all the water evaporates.

Hence we are left with blue and regularly shaped Hydrated copper sulfate crystals .

To know more about Soluble Salts

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