Question

what is mean by the term concentration of solution? A solution contain 20g of common salt in 300g of water. calculate the concentration in trems of mass by mass percentage of the solution.​

Answer 1

Answer:

Step-by-step explanation:

Concentration of solution is the measure of solute that is dissolved in the solvent. Concentrated solution has more solute dissolved in it. Whereas diluted solution has less solute dissolved in it

GIven,

Mass of solute = 20g

Mass of solvent = 300g

Mass of solution = Mass of solute + Mass of solvent

                          = 300 + 20 = 320g

∴ Concentration in terms of mass/mass % = $\frac{Mass of solute }{Mass of solution} * 100$

                                                                      $=\frac{20}{320}*100 \\=\frac{1}{16}*100 \\= 6.25$

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