Question

a solution contains 50g of common salt in 200g of water calculate the concentration in terms of mass by mass percentage of the solution​

Answer 1

Answer:

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⟾ Mass of solute (salt) = 50g

⟾ Mass of solvent (water) = 200g

⟾ Mass of solution =

⟶ Mass of solute / Mass of solution × 100

= 50/250 × 100 = 20%