Предмет: Алгебра, автор: NikitaKamenski

К 6 д 80% раствора кислоты добавили 4 л воды определите процентное содержание полученного раствора

Ответы

Автор ответа: mehka
0
1) 6л* 0,8= 4,8 л ( Чист . кислота)
2) 4,8 / 6+4 = 0, 48= 48 %
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