Multiple ChoiceWhat is the molarity of a solution prepared by dissolving 10.7 g of NaI in 0.250 L of solution? (Molar mass of NaI = 149.89 g/mol)51views
Multiple ChoiceWhat is the concentration of nitrate ions in 40.0 mL of a 0.25 M solution of copper(II) nitrate (Cu(NO_3)_2)?60views
Multiple ChoiceA student dilutes 25.0 mL of an HCl solution to a final volume of 250.0 mL. The concentration of the diluted solution is found to be 0.15 M. What was the original concentration of the HCl solution before dilution?67views
Multiple ChoiceHow many moles of solute are present in 5.0 L of a 5.0 M potassium nitrate (KNO_3) solution?41views
Multiple Choice95 g of ClO_2 is dissolved in water to prepare a 0.25 M solution. What is the final volume of the solution in liters?49views
Multiple ChoiceWhat is the molarity of a solution prepared by dissolving 0.150 moles of KOH in 400.0 mL of solution?49views
Multiple ChoiceHow many grams of MgO are required to be dissolved in 1.25 kg of water to prepare a 1.0 molal (1.0 m) solution?43views
Multiple ChoiceWhat is the molarity of a solution that contains 5.80 grams of nickel(II) nitrate (Ni(NO_3)_2) dissolved in 500. mL of solution?39views
Multiple ChoiceWhat is the molarity of a solution containing 5.60 mol of sodium carbonate (Na_2CO_3) dissolved in 1500 mL of solution?43views
Multiple ChoiceWhat is the molarity of an HCl solution prepared by dissolving 52.9 g of HCl in enough water to make 250 mL of solution?43views