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Sodium hypochlorite, NaOCl, is the component of household bleach. The density of a 14.0% by mass sodium hypochlorite solution is 1.21 g/cm3 at 20 ºC. Calculate the molarity of the solution.

Sodium hypochlorite, NaOCl, is the component of household bleach. The density of a 14.0% by mass sodium hypochlorite solution is 1.21 g/cm³ at 20 ºC. Calculate the molarity of the solution.