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because hot water can dissolve the precipitate.
Wiki User
∙ 10y ago
Wiki User
∙ 13y agoyou have to use distilled water so that you don't add additional ions to your precipitate.
Wiki User
∙ 10y agoThe settling percipitate can attrct ions and some dissaccociated compounds to its surface by Vanderwaal's and other forces. Washing will remove ions.
Wiki User
∙ 12y agothe cold water prevents the precipiate from redissolving
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In copper reaction why do you need to use very hot distilled water in washing the black precipitate?
to easily remove the black residue or to sterilize and to be easily taken away the black precipitate.
Why use ethanolic KOH?
ethanolic KOH can precipitate the impurities in solution
2 Do you think that washing soda could be used for the same purpose as baking soda?
nope but did you no you could make crystals with washing soda No.
What is the purpose of water washing the organic layer?
The purpose of water washing the organic layer is for aqueous extraction to remove impurities and or reagents that are water soluble. For instance, in reactions that utilize a small tertiary amine base or inorganic base.
What is the purpose of allowing a solution to stand for 12-24 hrs prior to the filtration operation?
Crystallization of the precipitate is advanced (aging) and the filtration is improved.
In copper reaction why do you need to use very hot distilled water in washing the black precipitate?
to easily remove the black residue or to sterilize and to be easily taken away the black precipitate.
What is the purpose of a dishwasher?
For washing dishes and pans.
What is the purpose of a washing machine?
To wash your clothes
What is the purpose of washing machines?
To wash your clothes
What is the purpose and procedure for digesting the precipitate?
Usually, what you're doing is to add a reagent (acid or base, for example) so that the precipitate redissolves. That allows you to run further tests.
Is Modern washing machine is an example of a Special-Purpose Computer?
In a modern washing machine, the wash, rinse and spin cycles are controlled by special purpose (embedded) computers.
What is the purpose of hand washing?
To prevent germs and diseases. Sarah114
What is the purpose of washing red blood cells?
To remove unbound globulins...
2 Do you think that washing soda could be used for the same purpose as baking soda?
nope but did you no you could make crystals with washing soda No.
Why use ethanolic KOH?
ethanolic KOH can precipitate the impurities in solution
What is money laundring certificate?
washing money inside a washing machine is easier than laundry service thus we can save that money for our personal purpose.
What is the purpose of water washing the organic layer?
The purpose of water washing the organic layer is for aqueous extraction to remove impurities and or reagents that are water soluble. For instance, in reactions that utilize a small tertiary amine base or inorganic base.
