2. Calculate the percentage concentration of ethyl alcohol in a solution of 10 mL ethyl
alcohol in 40 mL water.
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1
Answer:
Volume of solute= 50ml
Volume of solvent= 150ml
∴ Total volume= 150+50=200ml
Concentration=
Volume of solution
Volume of solute
×100
=
200
50
×100
=25%
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