Question

Ten litres of water is added to 50 litres of a solution containing 20% of alcohol in water. What is the concentration of alcohol in the solution now?
plz answer
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Answer 1

Answer:

The strength of alcohol in the solution now is 16.7

Step-by-step explanation:

According to the dilution law,

where,

= concentration of pure solution = 20 %

= volume of pure acid solution = 50 L

= concentration of diluted solution= ?

= volume of diluted solution= (50+10)L = 60 L

Thus the strength of alcohol in the solution now is 16.7 %

Answer 2

Solution:

According to the dilution law ,

=>Concentration of pure solution=20%

=>Volume of pure acid solution=50L

=>Concentration of diluted solution=?

Volume of diluted solution=(50+10)L=60L

Thus,the strength of alcohol in the solution is 16.7%

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