March 2022 0 2 Report
Сокращенное ионное уравнение Fe2+ + S2- =FeS описывает реакцию между: 1)FeCo3 и (NH4)2S
2)FeOH2 и H2S
3)Fe(NO3)2 и CuS
4)FeI2 и K2S
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perimetr pravilnogo treugolnika vpisannogo v okruzhnost raven 45 sm najdite62ec8a16c813780142ce10a5dc799833 37299
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