1) Oblicz stosunek masy węgla do masy wodoru w cząsteczce etenu.
mC2H4=2*12u+4*1u=28u
mC : mH = 24 : 4
mC : mH = 6 : 1
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mC2H4=2*12u+4*1u=28u
mC : mH = 24 : 4
mC : mH = 6 : 1