About 30,4 grams of N2O3 gas;   I. Contains 0,8 moles of N atoms.. II. Contains 1,2 pieces of O atoms. III. 8,9 liters in UNC.   Which of the statements are corrrect?      A) Only II  B) II and III  C) I and III  D) Only I  E) I, II and III

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A: Balanced equation:               2NH3 - 3H2 + N2 Moles of N2 =16.16g/28gmol-1 =0.8978mols

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Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".