Ответ:
Объяснение:
1) Na(I)O(II), P(V)Cl(I)
2) N2O3, K2O
3) Na2O
4) Mr(Cl2O7) = 35,5*2 + 16*7 = 183
Mr(H3PO4) = 1*3 + 31 + 16*4 = 98
Mr(HMnO4) = 1+55 + 16*4 = 120
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Ответ:
Объяснение:
1) Na(I)O(II), P(V)Cl(I)
2) N2O3, K2O
3) Na2O
4) Mr(Cl2O7) = 35,5*2 + 16*7 = 183
Mr(H3PO4) = 1*3 + 31 + 16*4 = 98
Mr(HMnO4) = 1+55 + 16*4 = 120