Răspuns:
m=roxv=8,96g/cm³x8cmx16cmx0,06cm=68.8g
mCu= 68,8g/placa
mCu.total=68,8x10000g=688kg
m,Cu indepartat=688x80/100kg=550.4kg
M,NH3=17kg/kmol
M,complex=203kg/kmol
64kgCu.....203kg complex......4x17kgNH3
550,4kg...............X..........................Y
X=1745,8kg complex
y=584,8kgNH3
Explicație: