Răspuns:
1molec, H2o..........2atH
15,\molec...........x
x= 30 atomi H
1molec CH4.........4 at.H
x................................30at
x= 30/4 molec CH4
Explicație:
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Răspuns:
1molec, H2o..........2atH
15,\molec...........x
x= 30 atomi H
1molec CH4.........4 at.H
x................................30at
x= 30/4 molec CH4
Explicație: