a 60lt solution of alchol and water contains 20lt of alchol how much alochol must be added to produce a solution of 50,percentage alvhol
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u can use x as ur answer
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given,
solution of water and alchohol=60lts(20lts alchohol+40lts water)
add 20lts of alchohol to solution.
now,
solution =80lts(40lts alchohol+40ltswater)
concentration=(40/80)100%
=(1/2)100%
=50%
so, we should add 20lts of alchohol to produce a solution of 50% alchohol concentration
solution of water and alchohol=60lts(20lts alchohol+40lts water)
add 20lts of alchohol to solution.
now,
solution =80lts(40lts alchohol+40ltswater)
concentration=(40/80)100%
=(1/2)100%
=50%
so, we should add 20lts of alchohol to produce a solution of 50% alchohol concentration
kvnmurty:
we should say x ml to be added. and then solve for it ? right?
what do u say?
yeah
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