A solution contains 40g of common salt in 320g of water. Calculate the concentration in term of mass by mass %of the solution
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mass/mass concentration = mass of solute/mass of solution
= 40g /320g
= 0.125 %
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Answer: Mass of solute (salt) = 40g
Mass of solvent (water) =320g
We know ,
Mass of solution = mass of solute +
mass of solvent
= 40g + 320g = 360g
Mass % of solution = mass of solute/
mass of solution × 100
= 40/360 ×100
= 11.1%
Explanation:
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