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Sodium nitrate, NaNO3, is sometimes added to tobacco to improve its burning characteristics. An aqueous solution of NaNO3 has a concentration of 0.483 m. Its density is 1.0822 g mL-1. Calculate the molar concentration of NaNO3 and the mass percent of NaNO3 in the solution. What is the mole fraction of NaNO3 in the solution?

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