mC3H5(OH)3=92umO2=32u2C3H5(OH)3 + O2 ---> 6C + 8H2O2*92g C3H5(OH)3 ----- 32g tlenu100g 2C3H5(OH)3 ----- xg tlenu x = 17,39g tlenum=17,39gd=1,34g/dm3v = m/dv = 17,39/1,43v = 12,16dm3 tlenu
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mC3H5(OH)3=92u
mO2=32u
2C3H5(OH)3 + O2 ---> 6C + 8H2O
2*92g C3H5(OH)3 ----- 32g tlenu
100g 2C3H5(OH)3 ----- xg tlenu
x = 17,39g tlenu
m=17,39g
d=1,34g/dm3
v = m/d
v = 17,39/1,43
v = 12,16dm3 tlenu