It has been found the azide (N3-) forms an "insoluble" compound when in the presence of lead, which is the formation of Pb(N3)2 .A student using a the titration of lead with sodium chloride deteremined the solubility of the insoluble compound was 3.01 x10 -4g/100mL what is the Ksp of the compound?

Q: For u=0.1, the activity coefficient (gamma) of M2+ is 0.41 while gamma of X- is 0.75. Calculate how…

A: At ionic strength of 0.1, the activity coefficient values are: Ksp = 1.2 x 10-9

Q: 2. A solution that may contain Cu, Bi?", Sn*, or Sb* is treated with thioacetamide in an acidic…

A: 2. subjective examination Dark encourage halfway disintegrated in basic medium : could be Cu2+…

Q: A 0.207 M NaBr and 0.0870 M NaCl mixture is going to be treated with AgNO3. Calculate the % of…

A: Solubility is the maximum amount of solute that can be dissolved in the given solvent. More the…

Q: 5. Does the solubility of the metal salts of carboxylic acids and alkyl sulfates parallel the…

A: A question based on introduction to chemistry that is to be accomplished.

Q: A 2.02.0 mL aliquot of 0.001 M NaSCNNaSCN is diluted to 30.030.0 mL with 0.2 M Fe(NO3)3Fe(NO3)3 and…

A: Initial moles of SCN- before dilution of the solution can be calculated using the molarity of NaSCN…

Q: EDTA is a hexaprotic system with the pK, values: pKal = 0.00, pK2 = 1.50, pK3 = 2.00, pK4 = 2.69,…

A:

Q: What is the concentration of Cd2+ in a 0.016 M Cd(NO3)2 solution that is also 1.0 M NH3? For…

A: Kd is known as dissociation constant and it is equal to the ratio of concentration of product to the…

Q: If Kc = 0.042 for PCl31g2 + Cl21g2 ∆ PCl51g2 at 500 K,what is the value of Kp for this reaction at…

A: Since the relationship between Kp and Kc is given by  => Kp = Kc x (RT)Δn where R = gas constant…

Q: How many grams of PbF2 (molar mass = 245.2) will dissolve in 700 mL of 0.60 M NaF solution? The Ksp…

A: PbF2 ---> Pb2+   +    2F-    Ksp = [Pb2+] [F-]2  2.69 × 10-8 = x ( 2x + 0.60 )2 (2x + 0.60 ≈ 0.60…

Q: Which one of the following compounds will (i) decolorizes dilute cold KMNO4; (ii) decolorizes…

A: In the all options, all compounds contain pi bond between carbon-carbon ( ene and yne ) and all…

Q: 2. A solution that may contain Cu", Bi?", Sn, or Sb?* is treated with thioacetamide in an acidic…

A: 1) A solution that may contain Cu2+, Bi2+, Sn4+, or Sb2+ is treated with thioacetamide in an…

Q: If 3.0 ml of 0.02N H.SO, is required to titrate 200 ml of sample to the phenolphthalein endpoint,…

A: 1) Volume of sample titrated = V = 200 mL.       Normality of acid = Z = 0.02 N Phenolphthalein end…

Q: For p=0.1, the activity coefficient (gamma) of M2+ is 0.41 while gamma of X-is 0.75. Calculate how…

A: Answer: For an ion in an electrolyte, its active mass is always the product of its activity…

Q: Given that the Ksp for Ag2S is 6×10^-51, Kf=1.1×10^5 for AgCl2-, and Ka1 and Ka2 for H2S are…

A: Ths dissociation and Ag2S may be written as;

Q: A 5.186 gram sample of the anti-malarial pesticide DDT was dissolved in 100.0 mL of alchohol and…

A: The structure of DDT is as shown below: One molecule of DDT has 5 atoms of Cl.

Q: A 0.703 g sample of a commercial detergent was red-calcined to destroy its components. organic.…

A:

Q: In gravimetric determination of phosporus, 0.2161 g Mg2P2O4 was obtained after preciptation of…

A: 0.2161 g of Mg2P2O4 was obtained in gravimetric determination of phosporous.Initial mass of…

Q: How many grams of PbF2 (molar mass = 245.2) will dissolve in 300 mL of 0.30 M NaF solution? The Ksp…

A: Given information: Molar mass of PbF2 = 245.2 g Volume V = 300 ml 0.30 M NaF solution. KSP for PbF2…

Q: 19. What is the experimental K of CACO, if the residue after evaporation of a - 1.00 L saturated…

A: Here we have to determine Ksp of CaCO3 if the mass of residue obtained after 1L saturated solution…

Q: Assuming a bicarbonate ion concentration [HCO3-]of 1.00 × 10−3 M and a value of 3.5 × 10−11 for the…

A: The equilibrium composition of a redox system involving H+ depends on both the pH and the pE. The…

Q: What is the solubility (in mol/L) of Cu3PO4 given that the Ksp is 1.86⋅10-10?

A:

Q: 25). The solubility of BiI3 (dissociates to Bi3+ ions and I– ions) is 0.00778 g/L. What is Ksp for…

A: Given : Solubility of BiI3 = 0.00778 g/L.

Q: BH4- + 8Ag+  + 8OH-    →   H2BO3-   + 8Ag(s)   + 5H2O   The purity of a quantity of KBH4 to be…

A: The question is  based on the concept of quantitative estimation of potassium tetrahydro borate…

Q: Find the solubility of Cr(OH)3 in a buffer of pH 13. (Ksp of Cr(OH)3 is 6.3x10-31; Kf of Cr(OH)4- is…

A:

Q: group of wealthy chemistry 1A students had a little too much disposable income and decided to create…

A: Given that,  Solubility of RhBr3 in water = 0.026 mg/mL = 0.026 g/L Molecular weight of RhBr3 =…

Q: Explain briefly in 2 sentences andin your OWN words. 1. NH4CNS used in the test for cobalt must be…

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Q: a) What are the advantages and disadvantages of using potassium permanganate as a titrant?

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Q: HCI, a strong acid, was added to a solution containing 2.67 g until the pyridine was 78% in its…

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Q: The titration curve of alanine shows the ionization of two functional groups with pK, values of 2.34…

A: Proteins and peptides

Q: using the An accurately weighed chelometric standard calcium carbonate of 200 mg was used to…

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Q: 3. An unknown salt gives a red solution when reacted with KSCN, and a pale yellow ppt. when treated…

A: FeBr3 + KSCN ----> Fe(SCN)+2 + KBr  Fe(SCN)+2 has  blood red colour solution.

Q: An unknown salt X reacts with hot conc. H2SO4 to produce a brown coloured gas which intensifies on…

A: Reaction with conc.H2SO4 to produce a brown gas is a common test for nitrates . The brown gas…

Q: A 0.1017 g sample of KBRO, (MM=166.1) was dissolved in dilute HCl and treated with an unmeasured…

A: Given: Mass of KBrO3 = 0.1017 g. And volume of Na2S2O3 (or S2O32-) required = 39.75 = 0.03975 L…

Q: What will be the solubility of Fe(OH)3 (Ksp = 1.6 × 10–39) in: a. 0.0250 M FeCl3 solution? b. a…

A: a) Given: Ksp = 1.6 × 10-39  And concentration of FeCl3 = 0.0250 M Since FeCl3 is a completely…

Q: An accurately weighed chelometric standard calcium carbonate of 200 mg was used to standardize…

A: Given, mass of calcium carbonate, M1 = 200×10-3 g molarity of Disodium EDTA = 0.054 M

Q: Explain why the addition of NH3 or HNO3 to a saturated solution of Ag2CO3 in contact with solid…

A: The substance which accepts an electron pair from the medium is called Lewis acid whereas the…

Q: The concentration of Sn*+ can be determined fluorometrically upon chelation with flavonol in a…

A: Given data :  Plot of Volume of standard Sn4+ is on x-axis & fluorescence is on y-axis. the…

Q: (a) Given that the solubility product of rhodochrosite, MNCO3, is 10-93, calculate the equilibrium…

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Q: Calculate pCd²+ at each of the given points in the titration of 60.00 mL of 0.0060 M Cd²+ with…

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Q: . Fajan of halides end-point detection with Ag* ion are characterized by Formation of a red color of…

A: Fajan's method involves the argentometry titration in which we typically determine the amount of the…

Q: Sketch a titration curve for the amino acid cysteine, and indicate the pKa values for all titratable…

A: Cysteine is a polar uncharged amino acid containing a thiol group (SH), which on reaction with thiol…

Q: A sodium hydrogen carbonate/sodium carbonate buffer system is to be prepared with a pH of 9.7. The…

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Q: The value of Ksp for Cd(OH)2 is 2.5 x 10-14. (a) Whatis the molar solubility of Cd1OH22? (b) The…

A:

Q: Poly (ethylene oxide), PEO (Tg = -60oC), is able to complex with cations such as Li+ and Na+, and…

A: Poly (ethylene oxide), PEO (Tg = -60oC), is able to complex with cations such as Li+ and Na+, and…

Q: 2.) Phosphorus in urine can be determined by treating with molybdenum(VI) and then reducing the…

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Q: 2. (a) How would you compare the Lewis acidity of Fe2+ and Cu?+? (b) The measured pka values for…

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