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Chemie

Jaká je hodnota pH roztoku připraveného zředěním 50 cm3 HNO3 (c = 0,05 mol × dm-3 přidáním 450 cm3 vody?

Jaká je hodnota pH roztoku připraveného zředěním 50 cm³ HNO₃ (c = 0,05 mol × dm^-3 přidáním 450 cm³ vody?