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Ce masa de H2O se obtine in urma reactiei a 80g H2 cu 02

Răspuns :

miu(M)= 2gH2
miu(M)= (2gH+16gO)/mol= 18g/mol

-ecuatia reactiei
2mol...............2mol
2H2 +O2---> 2H2O
2x2g...............2x18g
80g....................m=80x18/2=...........................calculeaza g H2O