Объяснение:
H(I)2O(II); Mn(VII)2O(II)7; Ba(II)O(II); Fe(III)2O(II)3; N(IV)O(II)2; Al(III)2O(II)3; V(V)2O(II)5;
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Объяснение:
H(I)2O(II); Mn(VII)2O(II)7; Ba(II)O(II); Fe(III)2O(II)3; N(IV)O(II)2; Al(III)2O(II)3; V(V)2O(II)5;