Stoichiometry 11#Atomic Mass Comparison381Choose the best answerElements A and B have atomic masses 10 u and 20 u. What is the atomic-mass ratio B:A?A1:2B2:1C1:1D4:1 Like 0 Discuss 0Share
StoichiometryLimiting Reagent382Choose the best answer28 g N₂ reacts with 6 g H₂: N₂ + 3H₂ → 2NH₃ Which is the limiting reagent?AN₂BH₂CNH₃DNeither reactant Like 0 Discuss 0Share
Stoichiometry Element #Mixtures383Choose the best answerWhich substance can be separated into its components by physical methods?AAirBSodium chlorideCPure waterDCarbon dioxide Like 0 Discuss 0Share