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Gold

By Eric Wood. Gold. Assignment # 1. Balanced Chemical Reaction With Oxygen 4Au + 3O 2 2Au 2 O 3 Solubility Reactions of Nitrate Salt with Cl, OH, S, PO 4 & SO 4 Au(NO 3 ) 3 (aq) + 3NaCl (aq) AuCl 3 (aq) + 3NaNO 3 (aq)

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Gold

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  1. By Eric Wood Gold

  2. Assignment # 1

  3. BalancedChemical Reaction With Oxygen 4Au + 3O2 2Au2O3 Solubility Reactions of Nitrate Salt with Cl, OH, S, PO4 & SO4 Au(NO3)3(aq) + 3NaCl(aq) AuCl3 (aq) + 3NaNO3 (aq) Au(NO3)3(aq) + 3NaOH(aq) AuOH3 (s) + 3NaNO3 (aq) 2Au(NO3)3(aq) + 3Na2S(aq) Au2S3 (s) + 6NaNO3 (aq) 2Au(NO3)3(aq) + 3Na2SO4(aq) Au2(SO4)3 (aq) + 6NaNO3(aq) Au(NO3)3 (aq) + Na3PO4 (aq) AuPO4 (s) + 3NaNO3 (aq) Assignment #2

  4. 4 Au(s) + 3 O2(g) 2 Au2O3 100 g Au x 1 Mol Au = .5077 Mol Au 196.97 g Au 100 g O2 x 1 Mol O2 = 3.125 Mol O2 32 g O2 Actual Ratio: .5077 = .16 3.125 Ideal Ratio: 4 = 1.3 3 Limiting Reagent: Gold (Au) Assignment #3

  5. Assignment #4

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