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Thirty Liters Of Water Is Added To 150 Litres Of 20% Solution Of Alcohol In Water.the Resulting Strength Of Alcohol Is

Answer»

As PER QUESTION, 20% SOLUTION of alcohol in water

=> 30 litres of alcohol & 120 litres of water.

Then 30 litres of water is added, so the solution now contains 150 litres of water and 30 litres of alcohol.

THEREFORE, the resulting strength of alcohol = 30*100/180 = 16.67%.

As per question, 20% solution of alcohol in water

=> 30 litres of alcohol & 120 litres of water.

Then 30 litres of water is added, so the solution now contains 150 litres of water and 30 litres of alcohol.

Therefore, the resulting strength of alcohol = 30*100/180 = 16.67%.



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