Multiple ChoiceWhat is the molar concentration of sulfate ions (SO_4^{2-}) in a 0.150 M Na_2SO_4 solution?39views
Multiple ChoiceHow many liters of a 2.18 M solution can be prepared using 200.0 g of K_2S (potassium sulfide)?34views
Multiple ChoiceWhat is the molarity of a solution prepared by dissolving 3.09 moles of NaCl in 1.50 L of solution?35views
Multiple ChoiceWhat mass (in g) of NH_3 must be dissolved in 475 g of methanol to prepare a 0.250 m (molal) solution?39views
Multiple ChoiceHow many millimoles (mmol) of KOH are present in 33.4 mL of 0.500 M KOH solution?31views
Multiple ChoiceWhich of the following best describes the difference between molarity and molality?31views
Multiple ChoiceWhat is the molarity of a solution prepared by dissolving 8.0 g of CaO in enough water to make 0.20 L of solution? (Molar mass of CaO = 56.08 g/mol)31views
Multiple ChoiceA NaOH solution contains 1.90 mol of NaOH and has a concentration of 0.555 M. What is the volume of the solution in liters?27views
Multiple ChoiceWhich of the following is the correct procedure to prepare 1.0 M solution of KNO3 in water?37views