A 0.2088 g sample of primary-standard-grade sodium carbonate, Na₂CO₃ (105.99 g/mol) was dissolved in water and diluted to 100.00 mL in a volumetric flask. A 30.00-mL portion of this solution was used to standardize a hydrochloric acid (HCl) solution based on the following reaction: CO₃²⁻ + 2H⁺ → H₂O + CO₂. If 36.09 mL of the HCl solution was used to reach the end point, what is the molarity of the HCl?

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