Ответ:
Объяснение:
Ar(NH4NO3) = Ar(N) * 2 + Ar(H) * 1 + Ar(O) * 3 =
= 14 * 2 + 1 * 4 + 16 * 3 = 80 а.о.м.
Аr(MgSO4) = Ar(Mg) + Ar(S) + Ar(O) * 4 = 24 + 32 + 16 * 4 = 120 а.о.м.
Ar(Cu3(PO4)3) = Ar(Cu) * 3 + (Ar(P) + Ar(O) * 4) * 3 =
= 64 * 3 + (31 + 16 * 4) * 3 = 192 + 285 = 477а.о.м.
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Ответ:
Объяснение:
Ar(NH4NO3) = Ar(N) * 2 + Ar(H) * 1 + Ar(O) * 3 =
= 14 * 2 + 1 * 4 + 16 * 3 = 80 а.о.м.
Аr(MgSO4) = Ar(Mg) + Ar(S) + Ar(O) * 4 = 24 + 32 + 16 * 4 = 120 а.о.м.
Ar(Cu3(PO4)3) = Ar(Cu) * 3 + (Ar(P) + Ar(O) * 4) * 3 =
= 64 * 3 + (31 + 16 * 4) * 3 = 192 + 285 = 477а.о.м.