a solution contains 40 gms of salt in 320gms of water calculate mass by mass% concentration of solution
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Answer:
11.11%
Explanation:
mass/mass%=mass of solute÷mass of solution×100
mass of solute=40g
mass of solution=mass of solute+mass of solvent=40+320=360g
mass of solute÷mass of solution×100
=40/360×100
=11.11%
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