Ответ:
Mr[MnO2] = Ar[Mn] + Ar[O] * 2 = 54.938045 + 15.9994 * 2 = 86.936845≈86.94
Mr[H2O] = Ar[H] * 2 + Ar[O] = 1.00794 * 2 + 15.9994 = 18.01528≈18.02
≈4.82 раза.
Объяснение:
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Ответ:
Mr[MnO2] = Ar[Mn] + Ar[O] * 2 = 54.938045 + 15.9994 * 2 = 86.936845≈86.94
Mr[H2O] = Ar[H] * 2 + Ar[O] = 1.00794 * 2 + 15.9994 = 18.01528≈18.02
≈4.82 раза.
Объяснение: