Is a measurement of how much solute exists within a certain volume of solvent.
solvent

dilution

molarity

concentration

Concentration

Explanation: Concentration is the amount of a solute that is contained in a given volume of a solution.

Dilution is the addition of solvent to a solution to make the solution less concentrated.

Molarity is the number of moles of a solute per litre of a solution. It is the concentration of a solute in a given volume of a solution.

A solvent is a substance in which other substances dissolve to form a solution.

answer: any goods being imported from another country may be subject to issued by the federal government are tariffs

explanation:  

tariffs are a tax on anything that are imported from abroad. government use them to protect and boost their local industries and the thought is that they encourage consumers to buy local instead of importing and they will hope will protect jobs and economy in the country that implements them