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?391views
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)291views
Multiple ChoiceWhich of the following solutions will have the highest concentration of chloride ions?268views
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?316views
Multiple ChoiceYou need to prepare 2.00 L of 0.100 M Na2CO3 solution. The best procedure is to weigh out:394views
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?289views
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?304views
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?295views
Multiple ChoiceWhat volume in mL of 2.89 M Co(NO3)3 stock solution is needed to make 2.67 L of a solution with a nitrate ion concentration of 0.0148 M?337views