Что будет если в теплую воду опустить кристалик марганцовки

Вода окрасится в темно-малиновый цвет.

Дано:                             решение:                 вычисление:     p = 27 кпа                     p = pgh                   p=   3 * 10 = 30  h= 3 метра                                                     р = 27000: 30 = 900 кг/ м³                     p= р p = ?                                                                               gh

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