Предмет: Химия, автор: 000Танька000

Hg(NO3)2+Fe=(NO3)2+Fe; Na2O+H3PO4=Na3PO+H2O расставить коэффициенты

Ответы

Автор ответа: larmih

Hg(NO3)2+Fe=(NO3)2+Fe;(?-куда делся Hg-?)
3Na2O+2H3PO4=2Na3PO+3H2O

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