About Solutions & Concentrations (Molarity, Dilution)

Learn how to calculate molarity using mass, molar mass, and volume. Step-by-step NaOH example for HESI A2 Chemistry prep.

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Solutions & Concentrations (Molarity, Dilution) HESI A2 Practice Questions

Free Solutions & Concentrations (Molarity, Dilution) practice questions for the HESI A2 exam with detailed rationales.

Question 1 of 2

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?
1.00 M
2.00 M
4.00 M
0.25 M