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b) CuSO4, MgCO3, Ca3(PO4), KCl,Na2S
CO , Na2O , N2O5 , SO , SO3 , CO2 , K2O , SO2
Podkreśl wzory soli:
KOH , Na2O , H2S , Na2S , KCl , CuSO4 , MgCO3 , Ca3(PO4)2