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Chemie

Ve 100 g vody vylo rozpuštěno 30 g octové kyseliny, roztok má hustotu 1,030 kg × dm-3. Hmotnostní koncentrace roztoku je:

Ve 100 g vody vylo rozpuštěno 30 g octové kyseliny, roztok má hustotu 1,030 kg × dm^-3. Hmotnostní koncentrace roztoku je: