Mr[FeCl3] = Ar[Cl] * 3 + Ar[Fe] = 35 * 3 + 56 = 162
ω (Cl) = 106 : 162 * 100 = 66 %
ω (Fe) = 56 : 162 * 100 = 34 %
Mr[SO2] = Ar[O] * 2 + Ar[S] = 16 * 2 + 32 = 64
ω (O) = 32 : 64 * 100 = 50 %
ω (S) = 32 : 64 * 100 = 50 %
Mr[N2O] = Ar[N] * 2 + Ar[O] = 14 * 2 + 16 = 44
ω (N) = 28 : 44 * 100 = 64 %
ω (O) = 16 : 44 * 100 = 36 %
Mr[NaCl] = Ar[Cl] + Ar[Na] = 35 + 23 = 58
ω (Cl) = 35 : 58 * 100 = 61 %
ω (Na) = 23 : 58 * 100 = 39 %
Mr[Cu2S] = Ar[Cu] * 2 + Ar[S] = 64 * 2 + 32 = 159
ω (Cu) = 127 : 159 * 100 = 80 %
ω (S) = 32 : 159 * 100 = 20 %
Объяснение:
Mr[FeCl3] = Ar[Cl] * 3 + Ar[Fe] = 35 * 3 + 56 = 162
ω (Cl) = 106 : 162 * 100 = 66 %
ω (Fe) = 56 : 162 * 100 = 34 %
Mr[SO2] = Ar[O] * 2 + Ar[S] = 16 * 2 + 32 = 64
ω (O) = 32 : 64 * 100 = 50 %
ω (S) = 32 : 64 * 100 = 50 %
Mr[N2O] = Ar[N] * 2 + Ar[O] = 14 * 2 + 16 = 44
ω (N) = 28 : 44 * 100 = 64 %
ω (O) = 16 : 44 * 100 = 36 %
Mr[NaCl] = Ar[Cl] + Ar[Na] = 35 + 23 = 58
ω (Cl) = 35 : 58 * 100 = 61 %
ω (Na) = 23 : 58 * 100 = 39 %
Mr[Cu2S] = Ar[Cu] * 2 + Ar[S] = 64 * 2 + 32 = 159
ω (Cu) = 127 : 159 * 100 = 80 %
ω (S) = 32 : 159 * 100 = 20 %
Объяснение: