객관식What is the molarity of a solution prepared by dissolving 0.150 moles of KOH in 400.0 mL of solution?105views
객관식How 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?95views
객관식What 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?97views
객관식What is the molarity of a solution containing 5.60 mol of sodium carbonate (Na_2CO_3) dissolved in 1500 mL of solution?105views
객관식What is the molarity of an HCl solution prepared by dissolving 52.9 g of HCl in enough water to make 250 mL of solution?122views
객관식What is the molarity of CaCl_2 when 1.92 mol of CaCl_2 is dissolved in water to form 515 mL of solution?104views
객관식Which unit listed below is commonly used to express the concentration of a solution in chemistry?119views
객관식What is the molarity of a solution containing 4.2 moles of NaCl dissolved in 2.3 L of solution?111views
객관식What is the molar concentration of sulfate ions (SO_4^{2-}) in a 0.150 M Na_2SO_4 solution?116views
객관식How many liters of a 2.18 M solution can be prepared using 200.0 g of K_2S (potassium sulfide)?105views