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Rastvori

  • Začetnik teme mali9
  • Datum pokretanja
M

mali9

#1
1. Koliki je maseni udeo natrijum hlorida u rastvoru ako je uparavanjem 10g tog rastvora u sudu zaostalo 0,06g soli?
2. Izracunajte koliko je grama kristalohidrata FeSO4*7H2O potrebno rastvoriti u vodi da bi se dobilo 400g 4,2% rastvora FeSO4

HVALA UNAPRED
 

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