Ответ:
M=30*4=120г/моль
m(C)=120*0.9=108г
N(C)=108/12=9
N(H)=120-108=12
формула- < var > C_9H_{12} < /var ><var>C9H12</var>
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Ответ:
M=30*4=120г/моль
m(C)=120*0.9=108г
N(C)=108/12=9
N(H)=120-108=12
формула- < var > C_9H_{12} < /var ><var>C9H12</var>