Buna ! Cine ma poate ajuta ?
O gospodină pentru a prepara murăturile are la
dispoziție 1l sol...
Chemistry, 25.02.2021 14:00 lovelyb32p1waxd
Buna ! Cine ma poate ajuta ?
O gospodină pentru a prepara murăturile are la
dispoziție 1l soluție de oțet (acid acetic în apă )
de concentrație 9%(ρsol.=1.1g/cm cub).
Ce volum de apă trebuie să adauge pentru
a obține o soluție de oțet de concentrație 6% de
care are nevoie
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