10. A portion of 0.1468 g of sodium nitrite was dissolved in a volumetric flask with a capacity of 100.00 cm3. For titration of 15.00 cm3 of an acidified solution of potassium bromate with a titer of 0.0002753 g/cm3, 15.28 cm3 of sodium nitrite solution is consumed. Determine the mass fraction (%) of sodium nitrite in the sample.

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