solubility-rules-lab-answers

solubility-rules-lab-answers - Solubilityrules:...

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Solubility rules:  Solubility rules:  Answers to lab Answers to lab
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Br Cl CO 3 2– NO 3 OH PO 4 3– SO 3 2– SO 4 2– Ag + X X X X X X Al 3+ X X X X Ba 2+ X X X X Ca 2+ X X X Co 2+ X X X X Cu 2+ X X X X Fe 3+ X X X X K + Na + Ni 2+ X X X X NH 4 +
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Answers 1 - 8 Answers 1 - 8 1. Alkali metals (IA) 2. NH 4 + 3. NO 3 4. Br , Cl , SO 4 2– 5. NO 3 6. Na + or K + or NH 4 + 7. Ag 3 PO 4 AlPO 4 Ba 3 (PO 4 ) 2 Ca 3 (PO 4 ) 2 Co 3 (PO 4 ) 2 Cu 3 (PO 4 ) 2 FePO 4 Ni 3 (PO 4 ) 2 8. Ca(NO 3 ) 2 Soluble rule 2 FeCl 3 Soluble rule 3 Ni(OH) 2 Insoluble rule 5 AgNO 3 Soluble rule 2 BaSO Insoluble rule 4
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Answer 9 You have a mixture of Ba 2+ , Pb 2+ , Cu 2+ , Na + Which can be precipitated without the others? Use Cl , Br , or I to precipitate Pb 2+ (rule 3) Filtering leaves Ba 2+ , Cu 2+ , Na + Use SO 4 2– to precipitate Ba 2+ (rule 4) Filtering leaves Cu 2+ , Na + Use OH (rule 5), or any of PO 4 3– , CO 3 2 , SO 3 2 , S 2–
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This note was uploaded on 11/09/2011 for the course CHEM 110 taught by Professor Sullivan during the Fall '10 term at BYU.

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solubility-rules-lab-answers - Solubilityrules:...

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