Multiple ChoiceA solution of ammonia (NH_3) has a pH of 11.22. What is the original molarity of NH_3 in the solution? (Assume K_b for NH_3 is 1.8 × 10^{-5})23views
Multiple ChoiceWhat is the molarity of a solution containing 2.8 mol of LiCl in a volume of 5.00 \times 10^2 mL?22views
Multiple ChoiceWhat is the molarity of a solution that contains 0.202 mol KCl in 7.98 L of solution?25views
Multiple ChoiceHow many molecules of glucose are present in 1 liter of a 100 mM glucose solution?292views
Multiple ChoiceHow many grams (g) of NaCl are required to prepare 250 mL of 0.80 M NaCl solution? (Answer to 2 decimal places.)23views
Multiple ChoiceWhat volume in liters of a 0.320 M Mg(NO_3)_2 solution contains 45.0 g of Mg(NO_3)_2?25views
Multiple ChoiceA solution is prepared by dissolving 0.50 mol of NaBr in enough water to make 1.0 L of solution. What is the molarity of Br⁻ in the solution?11views
Multiple ChoiceWhat is the molarity of an 18 L solution containing 64 grams of sodium chloride (NaCl) dissolved in it? (Molar mass of NaCl = 58.44 g/mol)30views
Multiple ChoiceHow many grams of KCl are required to prepare 50.0 mL of a 2.45 M KCl solution?20views
Multiple ChoiceWhat is the molarity of a solution containing 2.8 moles of LiCl dissolved in 5.00 \times 10^2 mL of solution?28views
Multiple ChoiceWhat is the molarity of a solution that contains 6 moles of solute in 2 liters of solution?5views