January 2019 0 12 Report
Które to mydła rozpuszczalne, a które nierozpuszczalne w wodzie ?
zad.1 str 35 chemia kl 3

wzory mydeł:
1.C15H31COONa
2.(C17H35COO)2Mg
3.(C15H31COO)2Ca
4.C17H35COOK
PILNE ! PROSZĘ O POMOC :^)

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