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3. При взаємодії калію з водою утворилося 11,2 г калій гідроксиду. Який об'єм водню (н. у.) виділився при цьому?
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3. При взаємодії калію з водою утворилося 11,2 г калій гідроксиду. Який
об'єм водню (н. у.) виділив...
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