Oblicz mase atomowa miedzi wiedzac ze wystepuje ona w postaci mieszaniny 2 izotopow
Cu - 63 ok 69 %
Cu - 65 ok. 31 %
⁶³Cu
A₁=63
%x₁=69%
⁶⁵Cu
A₂=65
%x₂=31%
mat=?
mat=A₁*%x₁+A₂*%x₂ / 100%
mat=63*69%+65*31% / 100%
mat=4347+2015 /100%
mat=63,2%
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⁶³Cu
A₁=63
%x₁=69%
⁶⁵Cu
A₂=65
%x₂=31%
mat=?
mat=A₁*%x₁+A₂*%x₂ / 100%
mat=63*69%+65*31% / 100%
mat=4347+2015 /100%
mat=63,2%