Multiple ChoiceWhat is the molarity of a solution prepared by dissolving 5 moles of solute in 2 liters of solution?244views
Multiple ChoiceCalculate the mass of malonic acid, CH₂(COOH)₂, required to make 25 mL of a solution that is 0.15 M in malonic acid.349views
Multiple ChoiceCalculate the molarity of calcium chloride (CaCl2) if 31.9 g of solid calcium chloride is dissolved in enough water to make 692 mL of solution. (Molar mass of CaCl2 = 110.98 g/mol)295views
Multiple ChoiceWhat is the mass of NaCl required to prepare 500 mL of a 0.5 M NaCl aqueous solution?280views
Multiple ChoiceWhat is the molarity of a solution made by dissolving 10.0 g of sodium chloride (58.44 g/mol) in 750.0 mL of solution?341views
Multiple ChoiceDetermine the molarity of a solution formed by dissolving 97.7 g of LiBr in enough water to yield 750.0 mL of solution.358views
Multiple ChoiceDetermine the molarity of a solution prepared by dissolving 11.5 g of NaOH to form a 250.0 mL solution. (Molar mass of NaOH = 40.00 g/mol)282views
Multiple ChoiceDetermine the molarity of acetic acid if 13.45 mL of acetic acid requires 22.73 mL of 0.112 M NaOH for complete neutralization. Assume the reaction is 1:1.314views
Multiple ChoiceWhat is the molarity of Fe(SCN)²⁺ in a solution with an absorbance of 0.243, prepared by mixing 2.5 mL of 0.200 M Fe(NO₃)₃, 0.4 mL of 0.002 M NaSCN, and 7.1 mL of 0.10 M HNO₃?301views
Multiple ChoiceHow many milliliters of a 0.155 M KCl solution are required to contain 2.55 grams of KCl?286views
Multiple ChoiceHow many grams of CH₃OH must be added to water to prepare 150 mL of a solution that is 2.00 M CH₃OH?301views
Multiple ChoiceHow many grams of NaOH are required to make 0.350 L of a 0.500 M NaOH solution?317views
Multiple ChoiceHow many grams of calcium nitrate (Ca(NO3)2) are required to prepare 500.0 mL of a 0.500 M calcium nitrate solution?349views
Multiple ChoiceHow many grams of hydrazine, N2H4, must be added to a solvent to prepare 204 mL of a solution that is 0.42 M hydrazine?311views