StoichiometryStoichiometric Coefficients and Mole Ratios96Choose the best answerThe equation: 2Al + 3/2 O₂ → Al₂O₃ shows that:A2 mol Al react with 3/2 mol O₂ to produce 7/2 mol Al₂O₃B2 g Al react with 3/2 g O₂C2 g Al react with 3/2 L O₂D2 mol Al react with 3/2 mol O₂ to produce 1 mol Al₂O₃ Like 0 Discuss 0Share
Stoichiometry Stoichiometry MCQS#Mole Concept97Choose the best answerWhich sample contains the greatest number of atoms?A1 mol N₂B1 mol COC1 mol N₂OD1 mol NaCl Like 0 Discuss 0Share
BasicsStoichiometry #Atomic Mass Unit98Choose the best answer1/N_A gram is approximately equal to:AApproximately the mass of a protonBMolar massCAtomic mass unit (amu)DA and C Like 0 Discuss 0Share
StoichiometryStoichiometric Principles99Choose the best answerSelect the correct statements: I. 12 g O₂ can completely react with 13.5 g Al to form Al₂O₃. II. Under ideal stoichiometric conditions, actual yield does not exceed theoretical yield. III. 1 mol C₃H₈ and 1 mol C₃H₄ each produce 3 mol CO₂ on complete combustion. IV. 1 g S combines with 1 g O₂ to produce 1 g SO₂.AI, II, III and IVBII, III and IVCI, II and IIIDI, III and IV Like 0 Discuss 0Share
StoichiometryBalancing Chemical Equations100Choose the best answerWhen the equation: C₄H₁₀ + O₂ → CO₂ + H₂O is balanced using the smallest whole-number coefficients, the coefficient of O₂ is:A3B7C9D13 Like 0 Discuss 0Share