StoichiometryBalancing Chemical Equations236Choose 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
Stoichiometry#Relative Atomic Mass237Choose the best answerWhich of the following quantities has no unit?AAtomic massBFormula massCRelative atomic massDMolecular mass Like 0 Discuss 0Share
StoichiometryVolume Unit Conversion238Choose the best answer1 m³ is equal to:A10⁶ cm³B10³ cm³C10² cm³D10 cm³ Like 0 Discuss 0Share
StoichiometryMole–Mass Conversion239Choose the best answerWhat is the mass of 5 mol H₂O?A90 gB36 gC18 gD100 g Like 0 Discuss 0Share
StoichiometryBalancing Chemical Equations240Choose 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