Multiple ChoiceA solution is prepared by dissolving 0.50 mol of NaCl in enough water to make 2.0 L of solution. What is the molarity of the NaCl solution?42views
Multiple ChoiceA 0.425 m aqueous solution of methanol (molar mass = 32.04 g/mol) is prepared. What is the concentration of methanol in %w/v (grams of solute per 100 mL of solution), assuming the density of the solution is approximately 1.00 g/mL?43views
Multiple ChoiceWhat is the molarity of a solution containing 0.50 moles of NaCl dissolved in 0.30 liters of solution?33views
Multiple ChoiceHow many grams of sodium chloride (NaCl) are required to prepare 500.0 mL of a 0.100 M solution?66views
Multiple ChoiceWhat is the molarity of a solution prepared by dissolving 15.0 grams of KNO_3 in 75.0 mL of solution? (Molar mass of KNO_3 = 101.1 g/mol)36views
Multiple ChoiceTo prepare a 0.750 M solution, how many liters of water are required to dissolve 2.5 moles of MgSO_4?46views
Multiple ChoiceWhich of the following correctly describes how to calculate the molarity of a solution?35views
Multiple ChoiceHow many grams of FeSO_4 are present in a 20.0 mL sample of a 0.500 M solution?36views
Multiple ChoiceWhat is the concentration of lithium ions in a 0.350 M solution of Li\(_3\)PO\(_4\)?51views
Open QuestionA throat spray is 1.40% by mass phenol, C6H5OH, in water. If the solution has a density of 0.9956 g/mL, calculate the molarity of the solution.460views