State the precipitate formed was washed and dried

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How to determine the mass of NaCl dissolved in NaOH solution when I know the mass of NaOH? To determine tthe NaCl content in commercial NaOH , 2 g of the latter was dissolved in water and excess amount of of AgNO3 solution was added to this solution .The precipitate formed was washed and dried .Its mass was 0.287g.Find the mass of NaCl in the initial sample.

Reference no: EM13180280

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