A mixture contains only NaCl and Fe(NO 3 ) 3 . A 0.456- g sample of the
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A mixture contains only NaCl and Fe(NO3)3. A 0.456- g sample of the mixture is dissolved in water, and an excess of NaOH is added, producing a precipitate of Fe(OH)3. The precipitate is filtered, dried, and weighed. Its mass is 0.107 g Calculate the following.
a. The mass of iron in the sample
b. The mass of Fe(NO3)3 in the sample
c. The mass percent of Fe(NO3)3 in the sample.
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