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datasheetlab4 - Name James Anders Data Sheet Section 11...

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Name: James Anders Section: 11 Date: 9/25/07 TA: Chris Spina Data Sheet Experiment 4: Reactions in Aqueous Solutions: Metathesis Reactions and Net Ionic Reactions 1. Copper(II) sulfate + sodium carbonate Blue ppt. CuSO 4 (aq) + Na 2 CO 3 (aq) = CuCO 3 (aq) + Na 2 SO 4 (s) Cu 2+ + SO 4 2- + 2Na + + CO 3 2- = Cu 2+ + CO 3 2- + Na 2 SO 4 (s) SO 4 2- + 2Na + = Na 2 SO 4 (s) 2. Copper(II) sulfate + barium chloride Milky white liquid with white ppt. CuSO 4 (aq) + BaCl 2 (aq) = CuCl 2 (aq) + BaSO 4 (s) Cu 2+ + SO 4 2- + Ba 2+ + 2Cl - = Cu 2+ + 2Cl - + BaSO 4 (s) SO 4 2- + Ba 2+ = BaSO 4 (s) 3. Copper(II) sulfate + sodium phosphate Suspended white ppt. 3CuSO 4 (aq) + 2Na 2 So 4 (aq) = Cu 3 (PO 4 ) 2 (s) + 3Na 2 SO 4 (aq) 3Cu 2+ + 3(SO 4 2- ) + 6Na + + 2(PO 4 3- ) = Cu 3 (PO 4 ) 2 (s) + 6Na + + 3(SO 4 2- ) 3Cu 2+ + 2(PO 4 3- ) = Cu 3 (PO 4 ) 2 (s)
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4. Sodium carbonate + sulfuric acid Bubbling occurred. Na 2 CO 3 (aq) + H 2 SO 4 (aq) = Na 2 SO 4 (aq) + H 2 CO 3 (g) 2Na + + CO 3 2- + 2H + + SO 4 2- = 2Na + + SO 4 2- + H 2 CO 3 (g) 2H + + CO 3 2- = H 2 CO 3 (g) 5. Sodium carbonate + hydrochloric acid Bubbling occurred. Na 2 CO 3 (aq) + 2HCl (aq) = 2NaCl (aq) + H 2 CO 3 (g) 2Na + + CO 3 2- + 2H + + 2Cl - = 2Na + + 2Cl - + H 2 CO 3 (g) 2H + + CO 3 2- = H 2 CO 3 (g) 6.
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