Question:- A solution contains 40 g of common salt in 320 g of water. Calculate the concentration in terms of mass by mass percentage of the solution.
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Answer:
Mass of solute =40g+Mass of solvent =320g
mass of solution =360g
mass percentage of solution=mass of solute÷
mass of solution×100
40÷360×100=11.1%
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Answer:
Mass of common salt (solute)= 40 g
Mass of water (soluted) = 320 g
Mass of solution= 320 + 4
= 360 g
Concentration of solution=
Mmassofsolution/Mmassofsolute ×1 00
360/40 × 100 = 11.11%
Hence, the concentration of the solution is 11.11%
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