UMN Exame De Acesso Practice Questions - Universidade Mandume Ya Ndemufayo University Entrance Examination (Exames De Acesso UMN) Exam

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What is the molar concentration (molarity) of a solution prepared by dissolving 11.7 g of sodium chloride (NaCl, molar mass = 58.5 g/mol) in sufficient distilled water to make a total volume of 500 mL of solution?

0.20 mol/L 0.80 mol/L 0.10 mol/L 0.40 mol/L

Correct Answer:

0.40 mol/L

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