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7. Compusul cu formula moleculară C,H, NO₂
are formula procentuală:
A. 48,2% C; 8,9% H; 15,2% N; 27,7% O;
B. 48,2% C; 9,8% H; 12,5% N; 29,5% O;
C. 50,8% C; 9,25% H; 10,95% N; 29% O;
D. 51,28% C; 9,5% H; 13,5% N; 25,72% O;
E. 51,28% C; 9,4% H; 11,96% N; 27,35% O;