August 2022 1 10 Report
Выберите два вещества, относящиеся к кислым и средним солям соответственно *
NaHso(4), Na(2)SO(4)
Na(3)Po(4), NaH(2)PO(4)
Na(2)HPO(4), NaH(2)PO(4)
Na(3)PO(4), Na(2)SO(4)
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