33. A solution contains 40g of common salt in 320 1 mass by mass percentage of the solution ?
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Explanation:
Mass of solute = 40g
Mass of solution = 40g+320g = 360g
Concentration of solution = Mass of solute /Mass of Solution×100
= 40/360 ×100
= 11.1g
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Explanation:mass of solution =320+40=360g
mass by mass%=mass is solute×100/mass of solution
=40x100/360=11.11%
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