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2 mol C3H5(OH)3 ---- 1 mol O2
1molO2 --- 22,4dm^3 O2
Masa molowa glicerolu 92g/1 mol
1mol - 92 g
x - 100g
------------------
92x = 100
x = 100/ 92 =1,09 mol glicerolu
2mol glicerolu - 1 mol tlenu
1,09 mol glicerolu - 0,545 mol tlenu
1mol tlenu to 22,4dm^3
0,545 mol tlenu to 12,21 dm^3 tlenu