Solved: A mixture contains only NaCl and Al2(SO4)3. A

Chapter , Problem 84

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

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