Mr(ZnO) = Ar(Zn) + Ar(O) = 65 + 16 = 81
ω(Zn) = (Ar(Zn)/Mr(ZnO))*100% = (65/81)*100% ≈ 80,25%
Ответ: ω(Zn) = 80,25%
Mr(ZnO) = Ar(Zn) + Ar(O) = 65 + 16 = 81
ω(Zn) = (Ar(Zn)/Mr(ZnO))*100% = (65/81)*100% ≈ 80,25%
Ответ: ω(Zn) = 80,25%