A 0.2377 g sample of sodium chloride, NaCl (58.44 g/mol) was dissolved in water and diluted to mark ina 100.0-mL volumetric flask. A 20.00 mL portion of this solution required 15.18 mL of 0.05345 M AgNO3(169.87 g/mol) standard solution:  Ag+(aq) + Cl–(aq) → AgCl ↓  a.How many milligrams of NaCl is present in the original solution? b. What is the % purity of the sample?

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