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Alexandra [31]
3 years ago
13

Aside from silica gel and alumina what other stationary phase can you use in chromatography​

Chemistry
1 answer:
Svetlanka [38]3 years ago
7 0

Answer:

Paper

Explanation:

In chromatographic separation, two different phases are important; a stationary phase and a mobile phase.

The stationary phase is the phase that does not move. Substances are separated based on how fast or slowly they move in the stationary phase.

The mobile phase is usually the solvent(or mixture of solvents) that carries the solutes through the stationary phase.

The stationary phase is usually composed of a porous material. Paper is a porous material. The mobile phase is trapped between the cellulose fibers of the paper and separation is achieved.

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8 0
3 years ago
Which type of bond will most likely be found in HBr?
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An object has a velocity of 8m/s and a kinetic energy of 480 j what is the mass of the object
MariettaO [177]
Kinetic energy=Ek
Ek=(1/2)mv²
Ek=480 J
v=8 m/s
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Ek=(1/2)mv²
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480 J=(32 m²/s²) m
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answer: the mass of the object is 15 kilograms. 
3 0
3 years ago
describe an example of how humans used selective breeding in plants,and explain how that has benefited us
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4 years ago
3. How many formula units of NaOH are in 0.87 moles?
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Explanation:

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