Mr (N2O3) =14•2+16•3=76
Объяснение:
W(N) =28/76=0,37 (37%); W(O) =48/76=0,63 (63%)
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Mr (N2O3) =14•2+16•3=76
Объяснение:
W(N) =28/76=0,37 (37%); W(O) =48/76=0,63 (63%)