Question

from 5 litres of a 20% solution of alcohol in water 2 litres of solution is taken out and 2 litres of water is added to it find the strength of alcohol in the new solution

Answer 1

in 3 litres 0.6 litre is alchohol and 2.4 water
now 2 little water added so
0.6 alchohol and 4.4 water
so strength of alcohol= 100×0.6/5=12%

Answer 2

Answer:

Step-by-step explanation:

i

n 3 litres 0.6 litre is alchohol and 2.4 water

now 2 little water added so

0.6 alchohol and 4.4 water

so strength of alcohol= 100×0.6/5=12%