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30t-100%
x - 90%
zawartość czystego węgla wynosi = 27 t
reakcja spalania wegla : C+O2---->CO2
1mol C- 1 mol CO2
12g - 44g
27t - x
x=77 ton CO2
zadanie 2 :
C4H10+12O2----> 4CO2+5H2O
C4H10+9O2----> 4CO +5H2O
C4H10+5O2----> 4C + 5H2O