Multiple ChoiceWhat volume of 0.242 M H2SO4 is needed to completely react with 56.8 mL of 0.120 M NaOH according to the equation H2SO4(aq) + 2NaOH(aq) → Na2SO4(aq) + 2H2O(l)?460views
Multiple ChoiceIn a stoichiometric reaction, what is the primary purpose of adding Na2CO3 to the reaction mixture?46views
Multiple ChoiceWhen 10.0 g of NaCl is added to an aqueous solution containing excess AgNO3, what mass of AgCl will precipitate?34views
Multiple ChoiceWhich of the following will result in exactly 1.00 mole of sodium chloride (NaCl)?44views
Multiple ChoiceWhen 1 mol of Al2(CO3)3 completely dissociates in water, how many moles of ions are produced?57views
Multiple ChoiceWhen 10.0 g of calcium carbonate (CaCO_3) is heated, what mass of carbon dioxide (CO_2) is produced?37views
Multiple ChoiceHow many grams of NH_3 are needed to provide the same number of molecules as in 0.15 g of SF_6?39views
Multiple ChoiceWhen 130 grams of zinc (Zn) reacts with excess silver nitrate (AgNO_3) according to the equation Zn + 2AgNO_3 → Zn(NO_3)_2 + 2Ag, how many moles of silver (Ag) are produced?37views
Multiple ChoiceIf you have 9 moles of CaCl2 and an excess of Na3PO4, how many moles of NaCl can be produced according to the following reaction?CaCl2 + Na3PO4 → Ca3(PO4)2 + NaCl53views
Multiple ChoiceIn the reaction CH_4 + 2 O_2 → CO_2 + 2 H_2O, how many grams of CO_2 are produced when 125 g of O_2 react with excess CH_4?62views
Multiple ChoiceWhen 10.0 g of AgNO3 is added to an aqueous solution containing excess NaCl, what mass of AgCl will precipitate? (Assume complete reaction and that AgNO3 is the limiting reagent.)45views
Multiple ChoiceIn a stoichiometry lab, you react 2.00 mol of HCl with 1.00 mol of CaCO3. According to the balanced equation CaCO3 + 2 HCl → CaCl2 + CO2 + H2O, what is the limiting reactant?36views
Multiple ChoiceWhat mass of KNO_3 is required to prepare 2.5 L of a 3.25 M solution of potassium nitrate?34views
Multiple ChoiceHydrazine (N2H4) reacts with oxygen to produce water and nitrogen gas according to the equation: N2H4 + O2 → N2 + 2 H2O. How many grams of hydrazine (N2H4) are needed to produce 96.0 g of water (H2O)?60views
Multiple ChoiceWhat volume (in L) of 1.60 M Na3PO4 solution is required to obtain 0.600 moles of Na+ ions?54views