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2014-11-17T09:41:01+02:00
100 gr suc ..................6.5 gr acid citric
 20 gr suc......................6.5x20/100=1.3 g acid citric

40 gr solutie (20 solutie +20 apa)................1.3 g ac citric

100 gr solutie.........................................130:40=3.25 g ac.citric

3.25%