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19. A solution of alcohol in water has been prepared by mixing
150ml of alcohol in 600ml of water. Calculate the volume
percentage of the solution.
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Answer:
volume of solution =mass of alcohol (solute) +mass of water( solvent )
=(150+600)ml
=750ml
volume percentage of solution
=(solute /solution×100)%
=(150/750×100)%
=20%
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