Question

What are the various methods to express concentration of a solution??

Answer 1

Concentration of solution is the amount of solute dissolved in a known solvent .

The concentration of solution can be expressed in many ways:

Percentage : It refers to the amount of solute per 100 parts of solution.
1) Mass-Mass percentage :=(Mass of solute/ Mass of solution )x100
2) mass- Volume Percentage :=(mass of solute)/(Volume of solution) x100
3) Volume-volume percentage:=[volume of solute /volume of solution)x100

Parts per Million(ppm)
when a solute is present in trace quantities , it is convenient to express in parts per million.
ppm=mass of solute component / Total mass of solution X10⁶

Normality : It is defined as the number of gram equivalents of a solute present per liter of the solution.
N=normal solution.=Weight of solute in grams/Equivalent weight of solute x volume of solution.

Answer 2

Answer:

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