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Chemie

Koncentrace vodíkových iontů v roztoku připraveném zředěním 50 cm3 roztoku HNO3 (0,1 mol × dm-3) vodou na objem 0,5 dm3 je:

Koncentrace vodíkových iontů v roztoku připraveném zředěním 50 cm³ roztoku HNO₃ (0,1 mol × dm^-3) vodou na objem 0,5 dm³ je: