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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Answer:
i think that the answer is 90
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Mass of solute = 50g
mass of solvent = 400g
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%
mass by mass % = 11.1%
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