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Binary Rxns Post Lab - Caleb Jones Partner Tripp Ferrence...

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Caleb Jones Partner: Tripp Ferrence CH 114 15 September 2009 I. Rxns That Form A PPT: 1. 2NH 4 OH(aq) + Cu(NO 3 ) 2 (aq) 2NH 4 NO 3 (aq) + Cu(OH) 2 (ppt) white ppt 2. 2NH 4 OH(aq) + CuSO 4 (aq) Cu(OH) 2 (ppt) + (NH 4 ) 2 SO 4 (aq) cloudy white ppt 3. 2NaOH(aq) + CuSO 4 (aq) 2NaCl(aq) + Ba(OH) 2 (ppt) cloudy white ppt 4. 2NaOH(aq) + Cu(NO 3 ) 2 (aq) 2NaNO 3 (aq) + Cu(OH) 2 (ppt) blue ppt 5. 2NaOH(aq) + CuSO 4 (aq) Na 2 SO 4 (aq) + Cu(OH) 2 (ppt) blue ppt 6. 2NaOH(aq) + Co(NO 3 ) 2 (aq) 2NaNO 3 (aq) + CO(OH) 2 (ppt) blue ppt 7. BaCl 2 (aq) + 2NaHCO 3 (aq) 2NaCl(aq) + BaCO 3 (ppt) + H 2 O(l) + CO 2 (g) white fluffy ppt 8. BaCl 2 (aq) + CuSO 4 CuCl 2 (aq) + BaSO 4 (ppt) milky ppt 9. 2NaHCO 3 (aq) + Cu(NO 3 ) 2 (aq) 2N- aNO 3 (aq) + CuCO 3 (ppt) + H 2 O(l) + CO 2 (g) cloudy blue ppt
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10. 2NaHCO 3 (aq) + CuSO 4 (aq) Na 2 SO 4 (aq) + CuCO 3 (ppt) + H 2 O(l) + CO 2 (g) cloudy blue ppt 11. 2NaHCO 3 (aq) + Co(NO 3 ) 2 (aq) 2N- aNO 3 (aq) + CoCO 3 (ppt) + H 2 O(l) + CO 2 (g) cloudy pink ppt After discussion with other groups and a review of the solubility rules my lab partner and I determined that the following rxns also form ppt’s: 1. 2NH 4
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