Open QuestionWhat is the molarity of a solution containing 4.2 moles of NaCl and a volume of 2.3 L?480views
Multiple ChoiceA 0.100 M solution of K2SO4 would contain the same total ion concentration as which of the following solutions?291views
Multiple Choice8.00 g of NaOH are dissolved in water to make 4.00 L of solution. What is the molarity of the NaOH solution?362views
Multiple ChoiceWhat is the integer value of the molarity of a CH3OH solution with a concentration of 1.225 M?290views
Multiple ChoiceA procedure requires 0.00168 moles of a 0.107 M NaOH solution. To deliver this many moles of NaOH, a total of ___ mL of the NaOH would be needed.369views
Multiple ChoiceWhat is the molarity of methanol in the solution prepared by dissolving 20.2 mL of methanol in 100.0 mL of water, given the final volume is 118 mL and the density of methanol is 0.782 g/mL?250views
Multiple ChoiceA solution is prepared by dissolving 20.2 mL of methanol (CH3OH) in 100.0 mL of water at 25°C. The final volume of the solution is 118 mL. The densities of methanol and water at this temperature are 0.782 g/mL and 1.00 g/mL, respectively. For this solution, what is the mass percentage of methanol?360views
Multiple ChoiceA solution is prepared by dissolving 23.7 g of CaCl2 in 375 g of water. The density of the resulting solution is 1.05 g/mL. What is the molarity of Cl⁻ ions in this solution?281views
Multiple ChoiceA solution is prepared by dissolving 23.7 g of CaCl2 in 375 g of water. The density of the resulting solution is 1.05 g/mL. What is the molarity of Cl⁻ ions in this solution?296views
Multiple ChoiceA stock solution of Pb(NO3)2 (315 mL, 2.5 M) contains how many Pb²⁺ ions and how many nitrate ions?291views
Multiple ChoiceA student determined that the equivalence point for the titration of 2.387 g of a diprotic acid with 1.049 M NaOH was 48.35 mL. Calculate the molar mass of the acid.315views
Multiple ChoiceAn aqueous solution of fructose (MM = 180.2 g/mol) has a molality of 4.87 m and a density of 1.30 g/mL. What is the molarity of fructose in the solution?328views
Multiple ChoiceAssuming that its density is 1.000 g/mL, what is the mass percent concentration of a 0.1432 M AgNO₃ solution?287views
Multiple ChoiceWhat is the molarity of Na+ ions in a solution prepared by dissolving 0.5 moles of NaCl in 1 liter of water?306views