1.

a solution contain 25ml of alcohol mixed with 75ml of water calculate the concentration of this solution​

Answer»

ANSWER:

nѕwєr--

vσlumє σf ѕσlutє=25 ml

vσlumє σf ѕσlvєnt=75 ml

vσlumє σf ѕσlutíσn=25+75=100 ml

ѕσ cσncєntrαtíσn σf ѕσlutíσn =

 

25/100*100

25%

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