A solution is prepared by dissolving 15g of nacl in 200g of water .calculate the mass percentage ofcnacl in the solution
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Answer:
mass of solute i.e. nacl= 15g
mass of solvent i.e. water= 200g
mass of solution= solute + solvent
=15+200=215g
mass percentage of Nacl=
=mass of solute/mass of solution×100
=15/215×100
=6.97
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