1.

Determine the mass by mass percentage concentration of a 100g salt solution which contains 20g salt? Ans: (20% )

Answer»

GIVE CONDITIONS

Mass of the SALT Solution = 100 G.

Mass of the Slat = 20 g.


∴ Mass Concentration of the Salt = Mass of the Salt/Mass of the Solution

= 20/100

= 0.2


∴ % Mass Concentration of the Salt = 0.2 × 100

= 20 %



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