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a fost răspuns

Cate grame de hidrogen se gasesc in:
54 g apa
7 moli H4
0,2kmol amoniac

Răspuns :

Andreeee124
MH2O =18
In18gH2O....2gH
54gH2O...x
X=54x2/18=6gH
1molCH4...4gH
7moli CH4...x
X=4•7=28g
0.2kmoli NH3=200moli NH3
1mol NH3...3gH
200moliNH3...x
X=200•3=600gH

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