1.

what volume of ethyl alcohol and water must be mixed together to prepare 250 ml of 60% by volume of alcohol in water​

Answer»

Answer is 150ml

As we have 60%by volume

That means 60gm in 100ml of water

Therefore we have volume of h2o as 100ml and TOTAL volume of solution is 250ml

Volume left of ethyl ALCOHOL is 150ml

I hope this is the correct answer

If I am wrong then please LET me know.



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