Question

(b) Commercial sodium hydroxide weighing
30 g has some sodium chloride in it. The
mixture on dissolving in water and subsequent
treatment with excess silver nitrate solution
formed a precipitate weighing 14.3 g What is
the percentage of sodium chloride in the
commercial sample of sodium hydroxide ? The
equation for the reaction is
NaCl + AgNO3 - AgCl . NaNO3
[Relative molecular mass of NaCl = 58,
AgCl = 143]​

Answer 1

Answer:

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