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A adds 1 lit of water to 5 lit of a 20% solution,of alcohol in water.what is the final strength of alcohol?
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- first we find the strength of alcohol before adding 1 ltr water i.e 5 ltr * 20/100= 1ltr.
When we add 1 ltr water to the solution it becomes 6 ltr so 1ltr acohol / 6 ltr solution = 16.66% - 8 years agoHelpfull: Yes(5) No(0)
- 16.66%
20% of 5lit is 1 lit , so after adding 1 lit to 5 lit solution it becomes 6 lit solution with 1 lit of alcohol , so 1 lit in 6 lit is 16.66% - 7 years agoHelpfull: Yes(0) No(0)
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