What is chromatography paper?

Chemistry

2 answers:

lianna [129]3 years ago

7 0

Answer:

Paper chromatography is an analytical method used to separate colored chemicals or substances. It is primarily used as a teaching tool, having been replaced by other chromatography methods, such as thin-layer chromatography.

Alex Ar [27]3 years ago

6 0

Answer:

paper chromatography is an analytical method used to separate colored chemicals or substances.It is primarily used as a teaching tool,having been replaced by other Chromatography methods ,such as thin layer chromatography.

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A base has a molarity of 1.5M w.R.T the hydroxyl ion concentration. If 7.35 cm3 of this base is taken and diluted to 147 cm3, th

daser333 [38]

Answer:

0.077M is the concentration of the hydroxyl ion

Explanation:

Dilution factor is the ratio between the aliquot that is taken of a solution and the total volume of the diluted solution.

For the problem, dilution factor is:

7.53cm³ / 147cm³ =<em> 0.05122</em>

To obtain molarity of a diluted solution you must multiply dilution factor and initial molarity of the solution, thus:

1.5 M × 0.05122 = <em>0.077M is the concentration of the hydroxyl ion</em>

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