- 2. For a complex compound [Ni(NH_(3))_(6)]SO_(4) indicate the outer and spheres, central ion, its charge and coordinate number, ligands and there dentation. Name the compound. 3. Finish and balance the redox-reaction CrCl_(3)+H_(2)O_(2)+NaOH= 4. 12 ml of CuCl_(2) solution was react with 7.5 ml of a 0.1245 N solution of NaOH. Calculate the mass of Cu(OH)_(2) wich was formed. )2 wich wa lution of
- is for each) . How many grams of NaNO_(3) must be taken to prepare 300 ml of a 0.2M solution? For a complex compound [Ni(NH_(3))_(6)]SO_(4) indicate the outer and in spheres, central ion, its charge and coordina dentation. Name the
- 1. Determine the molarity of a 15.2% (by mass) solution H_(2)SO_(4) the density of which is 1.21g/ml 2. For a complex compound K[Ag(CN)_(2)] indicate the outer and inner spheres, central ion, its charge and coordinate number, ligands and there dentation. Name the compound. 3. Finish and balance the redox-reaction NO_(2)+KMnO_(4)+H_(2)O=KNO_(3)+ldots 4. Calculate the mass of Ag^+ in 0.2 M solution of diamine silver chloride containing an excess of 01 mole of NH_(3)cdot (K_(inst)=9.3cdot 10^-8) 5. Explain if FeCl_(2) can be oxidized by H_(2)O_(2) in acidic media? 6. Suggest a scheme for analyzing a solution containing the following ions: NH_(4)^+;Ba^2+;Cl^- What is the color of the solution? Write the equations of analytical reactions.
- 1. What mass (g) of sulfuric acid must be taken to prepare 250 ml of 2 N solution? 2. For a complex compound [Cu(NH_(3))_(4)]Cl_(2) indicate the outer and inner spheres, central ion, its charge and coordinate number, ligands and there dentation. Name the compound. 3. Finish and balance the redox-reaction MnSO_(4)+NaBiO_(3)+HNO_(3)= 4. Calculate the mass of Ag^+ in 0.1 M solution of diamine silver chloride containing an excess of 1 mole of NH_(3)cdot (K_(inst)=9.3cdot 10^-8) Evnlain if FeCl_(2) can be oxidized by H_(2)O_(2) in acidic media?
- 1. How many grams of NaNO_(3) must be taken to prepare 300 ml of a 0.2M solution? 2. For a complex compound [Ni(NH_(3))_(6)]SO_(4) indicate the outer and inner spheres, central ion , its charge and coordinate number , ligands and there dentation. Name the compound. 3. Finish and balance the redox-reaction CrCl_(3)+H_(2)O_(2)+NaOH= 4. 12 ml of CuCl_(2) solution was react with 7,5 ml of a 0.1245 N solution of NaOH Calculate the mass of Cu(OH)_(2) wich was formed. 5. Calculate the mass of Cd^2+ in 0.1 M saturated solution of [Cd(NH_(3))_(4)]Cl_(2) (K_(inst)=7.6ast 10^-8) 6. Suggest a scheme for analyzing a solution containing the following ions: Pb^2+;Hg_(2)^2+;NO_(3)^- What is the color of the solution?Write the equations of analytical reactions.
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