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zawartość procentowa
węgiel
117u - 100%
60u - x x=51,28%
azot
117u- 100%
14 - y y=11,96%
M=5*12+11*1+14+2*16=60+11+14+32=117g/mol
60/117*100%=51,28% C
14/117*100%=11,97% N