Ответ:
Объяснение:
(V1к+V11 ) + (V2к+V22) = (2*0.25k + 2* 0.75) + (4*0.1k + 4*0.9) =
= (0.5k + 1.5) + (0.4k + 3.6) = 0.9k + 5.1
(0.9k/(2+4)) *100% = 15% раствор
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Ответ:
Объяснение:
(V1к+V11 ) + (V2к+V22) = (2*0.25k + 2* 0.75) + (4*0.1k + 4*0.9) =
= (0.5k + 1.5) + (0.4k + 3.6) = 0.9k + 5.1
(0.9k/(2+4)) *100% = 15% раствор