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Master Solutions & Concentrations (Molarity, Dilution) concepts with free HESI A2 practice questions and detailed rationales. These questions will help you reinforce your understanding and improve your score on the HESI A2 exam.
What is the molarity of a solution prepared by dissolving 20.0 grams of NaOH (molar mass = 40 g/mol) in 500 mL of solution?
A lab technician prepares a solution by dissolving 15.0 g of NaCl (molar mass = 58.44 g/mol) in enough water to make 500 mL of solution. Calculate the molarity of this solution.