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Q: Why does one of the reactant copper carbonate is added in excess when preparing a sample of copper sulphate crystals?
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Is copper product or reactant?

For copper, it is an element. It could be both reactant and product. While purifying copper will be the product. But copper would be the reactant in case of preparing hydrogen or copper sulphate salts.


Magnesium sulphate plus sodium carbonate equals?

Magnesium carbonate and sodium sulphate.


Is copper a product or a reactant?

For copper, it is an element. It could be both reactant and product. While purifying copper will be the product. But copper would be the reactant in case of preparing hydrogen or copper sulphate salts.


Why do you heat an copper oxide and sulfuric acid?

Most metal oxides react with dilute acids.The reaction between an insoluble metal oxide and a dilute acid is often quite slow so it is possible to observe the progress of the reaction as the solid reactant disappears as a soluble product is formed. Hence to enhance the speed of the reaction, excess Copper Oxide is used in preparing Sulphate Salt.


What equipment would be needed to prepare copper sulphate crystals?

Anhydrous or hydrated copper sulphate crystals? And from what?


How is copper released from a copper sulphate solution?

silicate, carbonate or sulphate


What is made when iron sulphate and sodium carbonate are mixed?

when their solution are mixed iron carbonate solid and solution of sodium sulphate is produced..


How do you separate copper sulphate from calcium carbonate?

well here's a hint - copper sulphate is soluble in water, but calcium carbonate isn't.


What is the precipitate of copper sulphate and sodium carbonate?

The copper(III) carbonate is a precipitate.


Why blue crystals of copper sulphate on heating turn colourless?

The formula of the blue crystals of copper sulphate is CuSO4.5H2O. When they are heated mildly, the water from the crystals evaporate, giving just CuSO4. This 'anhydrous' form of copper (II) sulphate is white in colour.


What is diameter of aluminium sulphate solid?

Crystals or lumps of aluminium sulphate can be any size.


Is copper oxide soluble?

copper sulphate is soluble in water - take the reaction to form blue crystals (sulphuric acid + copper carbonate) - once the water is evaporated off blue crystals are left. And if the water is evaporated off still the crystals turn white! so it must be.