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 It refers to a substance that can be used to follow the pathway of another substance through some structure.​

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Jorge1916viz

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Republic of the Philippines

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Shallomdaveviz

Answer:

Solvent refers to a substance that will dissolve another substance. Concentration, in chemistry, refers to the amount (measure) of a substance that is mixed with another substance. It is most commonly used to describe the amount of a substance (solute) dissolved in another substance (solvent)