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.

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each  column  of the  table  is called a group. elements in a group share similar properties. groups are  read  from  top  to  bottom. metal. metalloid. nonmetal. solid. liquid. gas. fe. hg. o.  2. 3. 4. 5. 6. 7. 8. 9.  2. beryllium. 9.012. 4.  sodium. 22.990.  11. 3.  magnesium. 24.305.  12.  potassium. 39.098.  19. 4.  calcium. 40.078.  20. i guess  i