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A mixture contains only NaCl and Al2 SO4 3 A 1 45 g
A mixture contains only NaCl and Al2(SO4)3. A 1.45- g sample of the mixture is dissolved in water, and an excess of NaOH is added, producing a precipitate of Al(OH)3. The precipitate is filtered, dried, and weighed. The mass of the precipitate is 0.107 g. What is the mass percent of Al2(SO4)3 in the sample?
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