* 1------- NH4NO3 + Me(NO3)21) Обозначим n(NH4NO3 )=x a n(Me(NO3)2)=y
значит m(смеси)=80x+(124+Me)y=80x+124y+Mey
2) w(NH4NO3)=m(NH4NO3)/m(смеси)=80x(80x+124y+Mey)=0.6
80x=48x+74.4y+0.6Mey
32x=(74.4+0.6Me)y ----------- 32/0.6 = (74.4+0.6Me)y/0.6 --- 53.33x=124y+Mey
Mey=53.33x-124y
3) w(N)=m(N)/m(смеси)=28x+28y/(80x+124y+Mey)=0.2783
28x+28y=22.264x+34.5y+0.2783Mey
5.736x=6.58y+0.2783Mey --- 20.61x=23.644y+Mey -- Mey=20.61x-23.644y
4) Mey=53.33x-124y = Mey=20.61x-23.644y --- 53.33x-20.61x=-23.644y+124y
32.72x=100.356y
x=3.0671y
5) w(Me(NO3)2)=m(Me(NO3)2)/m(смеси)= (124+Me)y/(124+Me+80*3.0671)y=0.4
124+Me=147.75+0.4Me
0.6Me=23.75
Me=39.6 =40-- Ca