October 2018 1 13 Report

Hejcia. ;) Mam problem z takim zadaniem :

Ile gramów jodu i ile cm3 alkoholu etylowego (d=0,78g/cm3) potrzeba do sporządzenia 15 g jodyny, czyli 10% roztworu jodu w alkoholu etylowym ???

Proszę.

daje naj :)


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