Answer:
% recovery
MP range of product
mass of product
Explanation:
Liquid–liquid extraction (LLE) is a process of transferring one (or more) solute(s) which are present in a feed solution to another immiscible liquid (solvent). The other solvent that becomes enriched in the target solute(s) is called extract. The original feed solution that is depleted in solute(s) is subsequently referred to as the raffinate.
This method is used to purify compounds and separate mixtures of compounds. This is very important when we want to isolate a product from a reaction mixture.
The percent recovery is the amount of solute that is transferred to the extract. This is the most important data to be recorded in an LLE experiment.
The melting point range necessarily helps us to identify the product and the mass of solid tells us the quantity of the solid obtained after extraction.
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There are several ways to prevent rusting. But you first need to know that rusting is caused by surrounding elements(wind,water,cold/heat etc)
So to prevent it, you need to have a coating protecting what you want to protect.
Some ways are to apply anti-rusting oil which is coating and another way I know that I know that they do for large buildings/structures such as bridges(the Golden gate bridge in San Fransisco is no exception) is to apply a special paint that protects then from rusting. But if there is even a little chip or crack in the paint, it can cause rusting in that area and slowly go under the paint and spread so workers have to sometimes repaint those spots to get rid of the rust.
Answer:
Size and Mass of the Nucleus
Explanation:
Electrons have virtually no mass, but protons and neutrons have a lot of mass for their size. As a result, the nucleus has virtually all the mass of an atom. Given its great mass and tiny size, the nucleus is very dense.
The brain and the spinal cord