Multiple ChoiceWhat is the molarity of a solution made by dissolving 3.68 g of sucrose (C12H22O11) in sufficient water to form 275.0 mL of solution? (Molar mass of sucrose = 342.30 g/mol)264views
Multiple ChoiceWhat is the molarity of a solution which contains 43.1 g of hexane (C6H14) dissolved in 250 mL of solution?279views
Multiple ChoiceWhat volume of a 2.00 M solution of sulfuric acid is needed to provide 0.0500 mol of sulfuric acid?292views
Multiple ChoiceWhat volume of solution is prepared when 25.0 g of NaCl is added to enough water to make a 2.50 M NaCl solution?354views
Multiple ChoiceWhat volume of solution is prepared when 25.0 g of ethanol (C₂H₅OH) is added to enough water to make a 0.750 M ethanol solution? (Molar mass of ethanol = 46.08 g/mol)254views
Multiple ChoiceWhich of the following solutions will have the highest concentration of chloride ions?241views
Multiple ChoiceWine contains 13.5% v/v of ethanol (C2H5OH). What is the molarity of ethanol in wine if the density of ethanol is 0.785 g/mL?279views
Multiple ChoiceYou need to prepare 2.00 L of 0.100 M Na2CO3 solution. The best procedure is to weigh out:354views
Multiple ChoiceA KOH solution is prepared by dissolving 8.33 g of KOH in enough water to make 840 mL of solution. What is the molarity of the solution?265views
Multiple ChoiceWhat is the molarity of a solution prepared by dissolving 5.0 grams of NaCl (molar mass = 58.44 g/mol) in enough water to make 250 mL of solution?271views
Multiple ChoiceIf you have 5 mL of a solution with a molarity of 1.2×10⁻⁵ M and add 0.976 g of bleach with a density of 1.08 g/mL, what is the initial concentration of the hypochlorite ion (OCl⁻) in the reaction?267views