5. Write a balanced net ionic equation representing the reaction of aluminum ammonium sulfate with 8-hydroxyquinoline in Test Tube #1. AINHY/SO42 + Cq Hy NO(s> t. aq) 6. Write a net ionic equation for the reaction in Test Tube #2 when two drops of NaOH were added. 7. When excess NaOH was added, the following reaction could occur: Al(OH)3 (s) + OH (aq) Al(OH)4" (aq) Is this consistent with your observations? yes, because when excess was the precigitate disappeared NaOH Toot Tube #2 when the solution was

5. Write a balanced net ionic equation representing the reaction of aluminum ammonium sulfate with 8-hydroxyquinoline in Test Tube #1. AINHY/SO42 + Cq Hy NO(s> t. aq) 6. Write a net ionic equation for the reaction in Test Tube #2 when two drops of NaOH were added. 7. When excess NaOH was added, the following reaction could occur: Al(OH)3 (s) + OH (aq) Al(OH)4" (aq) Is this consistent with your observations? yes, because when excess was the precigitate disappeared NaOH Toot Tube #2 when the solution was

Chemistry & Chemical Reactivity

10th Edition

ISBN:9781337399074

Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Chapter15: Principles Of Chemical Reactivity: Equilibria

Section: Chapter Questions

Problem 67IL: The photographs below (a) show what occurs when a solution of iron(III) nitrate is treated with a...

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The Handbook of Chemistry and Physics (http://openstaxcollege.org/l/16Handbook) gives solubilities of the following compounds in grams per 100 mL of water. Because these compounds are only slightly soluble, assume that the volume does not change on dissolution and calculate the solubility product for each. (a) BaSiF6, 0.026 g/100 mL (contains SiF62- ions) (b) Ce(IO3)4, 1.5102 g/100 mL (c) Gd2(SO4)3, 3.98 g/100 mL (d) (NH4)2PtBr6, 0.59 g/100 mL (contains PtBr62- ions)
What mass of solid AgBr is produced when 100.0 mL of 0.150 M AgNO3 is added to 20.0 mL of 1.00 M NaBr?
What mass of NaCN must be added to 1 L of 0.010 M Mg(NO3)2 in order to produce the first trace of Mg(OH)2?
The digestion of a 0.1159 gram sample of a phosphorous-containing compound in a mixture of HNO3 and H2SO4 resulted in the formation of CO2, H2O, and H3PO4. Addition of ammonium molybdate yielded a solid having the composition (NH4)3PO4·12MoO3 (FW = 1876.3). This precipitate was filtered, washed, and dissolved in 50.00 mL of 0.2000 M NaOH: (NH4)3PO4•12MoO3(s)+26OH-(aq)->HPO42-(aq)+12MoO42-(aq)+14H2O(l)+3NH3(g) After the solution was boiled to remove the NH3, the excess NaOH was back-titrated with 14.84 mL of 0.1626 M HCl to a phenolphthalein end point. Calculate the percent phosphorous (FW = 30.9737) in the sample.
Mass of KxFe(C2O4)y · zH2O : 4.70 g Mass of sample : 0.175 g Mass of FeCl3 used in preparation : 1.60 g Molarity of standard NaOH used : 0.100 V1, volume of standard NaOH required for first equivalence point : 7.750 mL V2, volume of standard NaOH required for second equivalence point : 19.70 mL Calculate the volume of standard NaOH that reacted with iron :
Mass of KxFe(C2O4)y · zH2O : 4.70 g Mass of sample : 0.175 g Mass of FeCl3 used in preparation : 1.60 g Molarity of standard NaOH used : 0.100 V1, volume of standard NaOH required for first equivalence point : 7.750 mL V2, volume of standard NaOH required for second equivalence point : 19.70 mL Calculate the mass of iron in the sample :
if 361.3 mg of Li2(SO4) (FW=109.95) is added to 450 mL of 0.828 M NH4F, what is the Qip for lithium fluoride. (Ksp of lithium fluoride= 3.8 x10^-3)
17. Consider the reaction of 0.161 g of aluminum metal with 50.0 mL of 0.235 M Co(NO₃)₂. a. Which metal, Al or Co, is more easily oxidized? b. Write the balanced chemical equation that occurs for the oxidation reaction. If no reaction occurs, simply write only NR. Be sure to include the proper phases for all species within the reaction. c. What quantity in moles of Co(NO₃)₂ do you start with? d. What quantity in moles of metal product are generated if all of the Co(NO₃)₂ is consumed? e.What quantity in moles of Al do you start with? f. What quantity in moles of metal product are generated if all of the Al is consumed? g. Which reactant is limiting? h. What mass (in grams) of metal is formed when the limiting reactant is considered?
The tetraethyl lead Pb(C2H5)4 in a 25.00 mL sample of aviation gasoline was shaken with 15.00 mL of 0.02179 M I2. (Hint: one mole of I2 reacts with one mole of the tetraethyl lead). After the reaction was complete, the unused I2 was titrated with 7.37 mL of 0.02959 M thiosulfate solution. Calculate the weight of Pb(C2H5)4 (MW = 323.4 g/mol) in each liter of gasoline.
Mass of KxFe(C2O4)y · zH2O : 4.70 g Mass of sample : 0.175 g Mass of FeCl3 used in preparation : 1.60 g Molarity of standard NaOH used : 0.100 V1, volume of standard NaOH required for first equivalence point : 7.750 mL V2, volume of standard NaOH required for second equivalence point : 19.70 mL Calculate the mass of iron in the sample : Calculate the percent of iron in the sample :
What are the respective concentrations (M) of Cu+2 and Cl- afforded by dissolving 0.200mol CuCl2 in water and diluting to 345 mL?A) 0.200 and 0.200 B) 0.580 and 1.16 C) 0.200 and 0.400 D) 1.16 and 2.32E) 0.580 and 0.290
4. Ascorbic acid (Vitamin C, MW = 176.126g/mol) is a reducing agent, reacting as follows: C6H8O6  C6H6O6 + 2H+ + 2e- It can be determined by oxidation with a standard solution of I2. A 200.0-mL sample of a citrus fruit drink is acidified, and 10.00mL of 0.0500 M I2 is added. After the reaction is complete the excess I2 is titrated with 38.62 mL of 0.0120 M Na2S2O3 . Calculate the number of milligrams of ascorbic acid per milliliter of fruit drink. I2 +2e  2I- I2 + 2Na2S2O3  2NaI + Na2S4O6