Podaj skład atomów dwóch izotopów miedzi o masie 1.63u i 65u
A₁=63u
A₂=65u
mat=63,546u
%x₁=?
%x₂=?
%x₁ -> x
%x₂ -> 100-x
mat=A₁*%x₁+A₂*%x₂ / 100%
63,546=63*x+65*(100-x) / 100% /*100%
6354,6=63x+6500-65x
2x=145,4 /:2
x=72,7
100-72,7=27,3
⁶³Cu=72,7%
⁶⁵Cu=27,3%
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A₁=63u
A₂=65u
mat=63,546u
%x₁=?
%x₂=?
%x₁ -> x
%x₂ -> 100-x
mat=A₁*%x₁+A₂*%x₂ / 100%
63,546=63*x+65*(100-x) / 100% /*100%
6354,6=63x+6500-65x
2x=145,4 /:2
x=72,7
100-72,7=27,3
⁶³Cu=72,7%
⁶⁵Cu=27,3%