5 - 2 will precipitate from BaSO 4 . There is no way to...

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Green checks and red X's are not displayed for this question. Apply what you learned from the solubility labs to the following problems. ( Note : You always apply tests to a small sample of a substance, never to a whole container.) (a) A student finds two unlabeled jars of white, solid substances. It is believed that one of the jars contains K 2 SO 4 and the other, BaSO 4 . What is a quick means of telling them apart? Add NaCl solution to each, BaCl
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Unformatted text preview: 2 will precipitate from BaSO 4 . There is no way to easily tell the difference. Add NaCl solution to each, KCl will precipitate from K 2 SO 4 . Add LiNO 3 solution to each, Ba(NO 3 ) 2 will precipitate from BaSO 4 . Add LiNO 3 solution to each, KNO 3 will precipitate from K 2 SO 4 . Add water to each solid, K 2 SO 4 is soluble and BaSO 4 is insoluble. Add water to each solid, K 2 SO 4 is insoluble and BaSO 4 is soluble....
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