A solution contains 50 gms of NaCl in 400 gms of water. Calculate the
concentration in terms of mass by mass percentage of the solution.
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Explanation:
mass of solute = 50g
mass of solvent = 400 g
mass of solution = 50+400 = 450g
mass by mass % = mass of solute / mass of solution
mass by mass = 50/450* 100
= 100/9
= 11.1%
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