2. Calculate the m/m% of solution containing 100 gram of NaCl dissolved in 500g of water m
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Mass of solute i.e, for the sodium chloride =58.5g
Mass of solvent i.e, for the water=100g
Mass of solution=58.5+100=158.5g
The concentration of solution in terms of mass percentage is given as,
=
Massofsolution×100
Massofsolute
=
158.5×100
58.5
36.9%
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