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)502views
Multiple ChoiceWhat is the mass of NaCl required to prepare 500 mL of a 0.5 M NaCl aqueous solution?480views
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?549views
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)493views
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 1:1.546views
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?500views
Multiple ChoiceHow many milliliters of a 0.155 M KCl solution are required to contain 2.55 grams of KCl?485views
