Multiple ChoiceWhat is the coefficient of Fe3+ when the following reaction is balanced?Bi3+ (aq) + Fe3+ (aq) + H2O (l) → BiO3- (aq) + Fe2+ (aq) + H+ (aq)909views
Multiple ChoicePhosphoric acid H3PO4 has many industrial uses and is often found in some cola drinks. If you had 25.0 mL of a 0.200 M solution of H3PO4, how many mL of a 0.400 M solution of Ba(OH)2 would be required to neutralize the acid according to the following reaction? ? 2 H3PO4 (aq) + 3 Ba(OH)2 (aq) → Ba3(PO4)2 (s) + 6 H2O (l)468views
Multiple ChoiceA 10.00-mL sample of a 0.130 M H3PO4 solution is added to 13.00 mL of a 0.150 M Ba(OH)2 solution. When the reaction is complete, what spectator ions are present? 2 H3PO4 (aq) + 3 Ba(OH)2 (aq) → Ba3(PO4)2 (s) + 6 H2O (l)262views
Multiple ChoiceA 25.00-mL sample of H2SO4 solution of unknown concentration requires 28.27 mL of a 0.185 M KOH solution to complete the neutralization reaction. What is the concentration of the unknown H2SO4 solution?306views
Multiple ChoiceBalance the following redox reaction in an acidic solution.Cl2 (g) + S2O32- (aq) → Cl- (aq) + SO42- (aq)5208views1rank
Open QuestionWrite a balanced overall reaction from these unbalanced half-reactions. Cu ⟶ Cu2+ Ag+ ⟶ Ag232views1comments
Open QuestionWhich is an important step in the alternate method for balancing equations in redox reactions?251views
Open QuestionWrite a balanced overall reaction from these unbalanced half-reactions. In ⟶ In3+ Cd2+ ⟶ Cd186views
Open QuestionWrite a balanced overall reaction from these unbalanced half-reactions. In⟶In3+ Cd2+⟶Cd235views
Open QuestionIn the equation PbO2 + 4 HCl → 2 H2O + PbCl2 + Cl2, how many electrons are transferred?239views