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Calculate the molarity of 20percent(w/v) aqeous solution of ethanol |
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Answer» y=no of MOLES of solute/volume of SOLUTION in DM3(L)no of moles=mass/molar mass=20/46=0.43molesVolume of solution is 100cm3volume of solution in dm3=0.1dm3M=0.43/0.1=4.35 |
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