Question

ce masa de carbune cu 60% carbune necesara arderi complete pentru a obtine 0,3 moli.... AM NEVOIE URGENTA VA ROG

Answer 1

ecuatia reactiei de ardere completa

1mol..............1mol

C   + O2---> CO2

x..................0,3mol

m, C=niuxM= 0,3molx12g/mol= 0,36g C pur

p= m,px100/m,i----> m,i= 0,36x100/60g=....................calculeaza !!!!