StoichiometryMole#Mole Concept211Choose the best answerWhich statement is correct for 98 g (1 mol) of H₂SO₄?Atwice the Avogadro's number of oxygen atomsBfour times the Avogadro's number of atomsCtwice the Avogadro's number of hydrogen atomsDB and C Like 0 Discuss 0Share
Stoichiometry#Relative Atomic Mass212Choose the best answerWhich of the following quantities has no unit?AAtomic massBFormula massCRelative atomic massDMolecular mass Like 0 Discuss 0Share
StoichiometryMole#Atomic Structure#Quantum Numbers213Choose the best answerWhat mass is present in 2 gram-atoms of nitrogen? (Atomic mass of N = 14)A14 gB28 gC32 gD56 g Like 0 Discuss 0Share
StoichiometryBalancing Chemical Equations214Choose the best answerWhich set of coefficients correctly balances: K₂CrO₄ + HCl → K₂Cr₂O₇ + KCl + H₂OA1, 1, 2, 2, 1B2, 2, 1, 1, 1C2, 1, 1, 2, 1D2, 2, 1, 2, 1 Like 0 Discuss 0Share
StoichiometryMole Concept and Number of Molecules215Choose the best answerWhich sample contains the greatest number of H₂O molecules?A18 mL liquid waterB0.18 g waterC0.00224 L water vapour at 273 K and 1 atmD4 × 10⁻³ mol water Like 0 Discuss 0Share