a y z t
CaC2+2H2O→C2H2(ACETILENA)+ Ca(OH)2
64 2x18 26 74
Notam cu a cantitatea de carbit reactionata
Y=36xa/64 presupunem ca nu toata apa reactioneaza
Z=26xa/64
T=74xa/64
Z+t+apa ramasa=34,8
24-36xa/64+26xa/64+74xa/64=34,8
64xa/64=34,8-24
a=10,8
p=mpx100/ms
p=10,8x100/16
p=67,5%