u = 1.66 * 10^-27 кг
Ar(As) = 75
Ar(Ge) = 73
m(As) = Ar(As) * u = 75 * 1.66 * 10^-27 = 124.5 * 10^-27 = 1.245 * 10^-25 кг
m(Ge) = Ar(Ge) * u = 73 * 1.66 * 10^-27 = 121.18 * 10^-27 = 1.2118 * 10^-25 кг
u = 1.66 * 10^-27 кг
Ar(As) = 75
Ar(Ge) = 73
m(As) = Ar(As) * u = 75 * 1.66 * 10^-27 = 124.5 * 10^-27 = 1.245 * 10^-25 кг
m(Ge) = Ar(Ge) * u = 73 * 1.66 * 10^-27 = 121.18 * 10^-27 = 1.2118 * 10^-25 кг