For an Experiment, We Weighed Out 18 G of NaCl

question 4

Multiple Choice

For an experiment, we weighed out 18 g of NaCl and dissolved it into a final volume of 500 mL with water. The atomic weight of Na is 22.99 and Cl is 35.45. What is the molar concentration of NaCl
in the final solution?

• A) 1.57 M
• B) 1.02 M
• C) 0.62 M
• D) 0.15 M
• E) 0.31 M

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