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10.3 RXN in AQUEOUS SOLUTIONS

10.3 RXN in AQUEOUS SOLUTIONS. Solvent – the substance that dissolves the solute Solute - the substance that is dissolved Aqueous – ( aq ) solution in which water is the solvent. Definitions. If a substance dissolves or dissociates when imersed in another substance

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10.3 RXN in AQUEOUS SOLUTIONS

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  1. 10.3 RXN in AQUEOUS SOLUTIONS

  2. Solvent – the substance that dissolves the solute • Solute - the substance that is dissolved • Aqueous – (aq) solution in which water is the solvent Definitions

  3. If a substance dissolves or dissociates when imersed in another substance http://phet.colorado.edu/en/simulation/sugar-and-salt-solutions Solubility

  4. Most things with Group 1 metals • Li +, Na +, K +, Rb +, Cs +, and NH4+ • Common NO3-, ClO3-, and ClO4- • Most chlorides (Cl-), • Exceptions AgCl, Hg2Cl2, PbCl2 • Br- and I- similar to Cl- • Solubility decreases with ion size General Guidelines

  5. F- usually soluble except MgF2, CaF2, SrF2, BaF2 and PbF2 • Common SO4- are soluble • Except PbSO4 ,BaSO4 , HgSO4 • Most metal hydroxides are insoluble • Exceptions Group 1 and Group 2 from Ca down General Guidelines

  6. CO32- & PO43-only group 1 and NH4+ • Sulfides (S2-) group 1, 2, and NH4+ General Guidelines

  7. HOW are we going to remember all this • We are not going to, for now General Guidelines

  8. A solution of sodium hydroxide is added to a solution of copper (II) chloride to yield sodium chloride and solid copper (II) hydroxide. Write as balanced eqn RXN that form Precipitate

  9. 2NaOH(aq) + CuCL2(aq) 2NaCl(aq) + Cu(OH)2(s) Na+ OH- Cu2+ Cl- OH- Na+ Cl- RXN that form Precipitate

  10. 2NaOH(aq) + CuCL2(aq) 2NaCl(aq) + Cu(OH)2(s) Cu2+ OH- Na+ Cl- OH- Na+ Cl- RXN that form Precipitate

  11. 2NaOH(aq) + CuCL2(aq) 2NaCl(aq) + Cu(OH)2(s) 2Na+(aq) + 2OH-(aq) + Cu2+(aq) + 2Cl-(aq) Cu2+ Na+ OH- Cl- OH- Na+ Cl- Complete Ionic Eqn

  12. 2NaCl(aq) + Cu(OH)2(s) 2NaOH(aq) + CuCL2(aq) 2Na+(aq)+ 2Cl-(aq) + Cu(OH)2(s) Cl- Cu2+ Na+ OH- OH- Na+ Cl- Complete Ionic Eqn

  13. 2NaOH(aq) + CuCL2(aq) 2NaCl(aq) + Cu(OH)2(s) 2Na+(aq) + 2OH-(aq) + Cu2+(aq) + 2Cl-(aq) 2Na+(aq)+ 2Cl-(aq) + Cu(OH)2(s) Complete Ionic Eqn

  14. 2NaOH(aq) + CuCL2(aq) 2NaCl(aq) + Cu(OH)2(s) 2Na+(aq)+ 2OH-(aq) + Cu2+(aq) + 2Cl-(aq) 2Na+(aq)+ 2Cl-(aq)+ Cu(OH)2(s) 2OH-(aq) + Cu2+(aq) Cu(OH)2(s) Net Ionic Eqn

  15. RXN that form Water

  16. Hydrobromic acid is added to aqueous lithium hydroxide to produce a solution of lithium bromide. Write the balanced equation. RXN that form Water

  17. HBr(aq) + LiOH(aq) H2O(l) +LiBr(aq) RXN that form Water

  18. HBr(aq) + LiOH(aq) H2O(l) + LiBr(aq) Write the complete Ionic Eqn RXN that form Water

  19. HBr(aq) + LiOH(aq) H2O(l) + LiBr(aq) Write the complete Ionic Eqn H+(aq)+Br-(aq)+Li+(aq)+OH-(aq)H2O(l)+Li+(aq)+Br-(aq) RXN that form Water

  20. HBr(aq) + LiOH(aq) H2O(l) + LiBr(aq) Write the complete Ionic Eqn H+(aq)+Br-(aq)+Li+(aq)+OH-(aq)H2O(l)+Li+(aq)+Br-(aq) Write the Net Ionic Eqn RXN that form Water

  21. HBr(aq) + LiOH(aq) H2O(l) + LiBr(aq) Write the complete Ionic Eqn H+(aq)+Br-(aq)+Li+(aq)+OH-(aq)H2O(l)+Li+(aq)+Br-(aq) Write the Net Ionic Eqn H+(aq) + OH-(aq)  H2O(l) RXN that form Water

  22. HBr(aq) + LiOH(aq) H2O(l) + LiBr(aq) Draw a molecular level representation. Showing the balanced equation. Your turn

  23. Common gases that form CO2 HCN H2S http://www.sunburncures.net/home-remedies/vinegar-relieve-sunburns/ http://www.londonlocalservices.co.uk/10-useful-tips-for-cleaning-with-baking-soda/ RXN that form GAS

  24. Common gases that form CO2 HCN H2S RXN that form GAS http://thatparentplace.com/2008/06/26/craft-project-building-a-volcano/

  25. HCl + NaHCO3 H2CO3 +NaCl Why CO2?

  26. HCl + NaHCO3 H2CO3 +NaCl H2CO3  H2O + CO2 HCl + NaHCO3 + H2CO3 H2CO3 + H2O + CO2 +NaCl  Why CO2?

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