Mr[O2] = Ar[O] * 2 = 15.9994 * 2 = 31.9988
Mr[CO2] = Ar[C] + Ar[O] * 2 = 12.0107 + 15.9994 * 2 = 44.0095
Mr[Ag] = Ar[Ag] = 107.8682 = 107.8682
Mr[S8] = Ar[S] * 8 = 32.065 * 8 = 256.52
Mr[H2O] = Ar[H] * 2 + Ar[O] = 1.00794 * 2 + 15.9994 = 18.01528
Mr[HCl] = Ar[H] + Ar[Cl] = 1.00794 + 35.453 = 36.46094
Ответ: Mr(O2)= 16×2=32
Mr (CO2) = 12+16×2=44
Mr(Ag) = 107.86≈108
Mr ( S8) = 32×8= 256
Mr( H2O ) = 1×2 + 16 = 18
Mr( HCl) = 1 + 35,45≈ 37
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Answers & Comments
Mr[O2] = Ar[O] * 2 = 15.9994 * 2 = 31.9988
Mr[CO2] = Ar[C] + Ar[O] * 2 = 12.0107 + 15.9994 * 2 = 44.0095
Mr[Ag] = Ar[Ag] = 107.8682 = 107.8682
Mr[S8] = Ar[S] * 8 = 32.065 * 8 = 256.52
Mr[H2O] = Ar[H] * 2 + Ar[O] = 1.00794 * 2 + 15.9994 = 18.01528
Mr[HCl] = Ar[H] + Ar[Cl] = 1.00794 + 35.453 = 36.46094
Ответ: Mr(O2)= 16×2=32
Mr (CO2) = 12+16×2=44
Mr(Ag) = 107.86≈108
Mr ( S8) = 32×8= 256
Mr( H2O ) = 1×2 + 16 = 18
Mr( HCl) = 1 + 35,45≈ 37