Question

Calculeaza volumul de oxigen necesar pentru arderea a 100 g de propan.
Please, ajutati-ma !!!

Answer 1

C3H8 + 5 O2 →3 CO2 + 4 H2O Mc3h8= 12*3+8= 44 44 g C3H8.........5 moli O2 100 g......,.............x X=(5*100)/44= 11,36 moli O2 N=V/Vm , V molar=22,4 l/mol V=n*Vm=11,36*22,4=254,54 l O2