Fluoride treatment causes the OH" in hydroxyapatite (Ca5(PO4)3OH) in tooth enamel to be replaced by F- forming Ca5(PO4)3F with a Ksp of 6.8x10-60. Calculate the solubility (in mol L-1) of Ca5(PO4)3F.
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A: The given data contains, Volume of KMnO4 = 28.70 ml. Molarity of KMnO4=0.0200 M.
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Q: The precipitation of Al1OH23 1Ksp = 1.3 * 10-332 is sometimes used to purify water. (a) Estimate the…
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Q: The Ksp of Fe3(PO4)2 is 1.21⋅10-12 M. Calculate the solubility of each ion in a saturated solution:
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- What is the free energy change (kJ/mol) for the dissolution of CdS at 25.00°C if it has a K sp of 8e-28?Ammonium iron(II) sulfate crystals have the following formula: (NH4)2SO4.FeSO4.nH2O . In an experiment to determine n 8.492g of the salt were dissolved and made up to 250cm^-3 of solution with distilled water and sulphuric acid. A 25.0cm^-3 portion of the solution was titrated against 0.0150 mol dm^-3 KMnO4. A volume of 22.5cm^-3 was required. Find the value of nGiven that the Ksp for silver chloride is 1.76 x 10-10, and the Kf of silver(I) diammine cation [Ag(NH3)2 +] is 1.7 x 107, calculate the maximum number of grams of silver chloride that will dissolve in 250.0 mL of a 3.25 M solution of ammonia.
- Calculate the Ksp for Li3PO4 if at equilibrium the concentration of PO43− ion is 3.30 × 10−3 M.A carbonate fusion ws needed to free the Bi from a 0.6423g sample containing the mineral eulytite (2Bi2O3.3SiO2). The fused mass was dissolved in dilute acid, following which the Bi+3 was titrated with 23.76mL of 0.03369M NaH2PO4. The reaction isBi+3+ H2PO4- ---> BiPO4(s) + 2H+ Calculate the % purity of eulytite (1112g/mol) in the sample. I just do not even know where to begin. I not only need to see steps, but I need good explanation of why the steps were taken. Thanks!25b. At a particular temperature, the solubility of In₂(SO₄)₃ in water is 0.0068 M. You have found Ksp to be 1.6 × 10⁻⁹. If solid In₂(SO₄)₃ is added to a solution that already contains 0.200 M Na₂SO₄, what will the new solubility of the solid be?
- Two ligands have 1000-times different affinities for the same binding site. They differ by a single chemical group. What is a reasonable candidate for the group? ∆G=RT lnKd KD=[A][B]/[A.B] each 10-fold in affinity is equal to 5.9 kJ/mol (at 37C)Cadmium is an interferant because it forms a precipitate with o-phenanthroline. What effect would the formation of a Cd-o-phenanthroline precipitate have on thedetermination of the parts per million of Fe in a sample?what is the Ksp value for silver oxide?
- A solution of sodium thiosulfate was standardized by dissolving 0.2450 g of KIO3 (214.00 g/mol) in water, adding a large excess of KI, and acidifying with HCl. The liberated I2 required 52.00 mL of the thiosulfate solution to decolorize the blue starch/iodine complex. Calculate the molarity of Na2S2O3A 25.00 mL aliquot of a solution containing Cu2+ and Fe3+ was titrated with 17.08 mL of 0.05095 M EDTA. A second 25.00 mL aliquot of the Cu/Fe mixture was treated with NaF to form a stable iron-fluoride complex. This mixture was then titrated with EDTA and the endpoint volume was found to be 5.47 mL. Calculate the amounts of Cu2+ and Fe3+ in mg/L. Molar mass (g/mol): Fe = 55.85 and Cu = 63.55A protein binds a ligand with a KD value of 0.25 M. If you are at a ligand concentration of 0.63 M, what is the fraction bound? Please report your answer to two significant figures. There should be no units in your answer