Odpowiedź:
Zadanie 4.
A=Lp+Ln
A1=17+18=35u
A2=17+20=37u
mat=35,5u
%1=x
%2=y
mat=(A1*%1+A2*%2)/(100%)
%1+%2=100%
x+y=100 => y=(100-x)
35,5=(35*x+37*y)100 //*100
3550=35x+37y
3550=35x+37(100-x)
3550=35x+3700-37x //-3770
3550-3700=-2x
-150=-2x //:(-2)
75%=x <-izotop i Ln=18
y=100-x=100-75=25% <-izotop o Ln=20
Zadanie 5.
(45/20)Ca^(2+) Lp=20, Ln=45-20=25, Le=20-2=18
(24/16)S^(2-) Lp=16, Ln=34-16=18, Le=18
