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- (c) Briefly state the 4 Hume-Rothery rules that give guidelines on the likelihood of substitutional solid solubility of 2 metals.The value of Ksp for Mg3(AsO4)2 is 2.1 * 10-20. The AsO43- ion is derived from the weak acid H3AsO4 (pKa1 = 2.22; pKa2 = 6.98; pKa3 = 11.50). (a) Calculate the molar solubility of Mg3(AsO4)2 in water.1a) Calculate the molar solubility of CrF3 (Ksp = 6.6 x 10-11) in a 0.015 M CrCl3solution.
- Calculate the % relative error in solubility by using concentrations instead of activitiesfor Fe(OH)2 in 0.0500 M KNO3 (give the source for thermodynamic solubility).Five drops of dichlorofluorescein have been added to a solution containing 0.800 g sample which required 25.30 mL of 0.100 M AgNO3. (c) Calculate the weight percent NaCl in the original sample.4. Calculate the percent relative error in the solubility of Fe(OH)3 in 0.0250 M NH&NO3 by using molar concentrations instead of activities.
- Calculate the solubility of calcium carbonate water temperature of 5 °C; at that temperature, Ksp = 8.1 x 10^-9 for CaCO3, Ka = 2.8 x 10^-11 for HCO3-, and Kw = 2.0 x 10^-14.a) What is the solubility of copper(II) iodate, Cu(IO;)2? Ksp. = 1.4 x 107 at 25 °C %3D b) Will the solubility of Cu(IO3)2 (s) increase, decrease or remain the same if some solid Cu(NO:)2 is added? (copper(II) nitrate is very soluble and completely dissolves) c) Aqueous copper(II) ions, Cu²* to the reaction: (a0), react with aqueous ammonia to form a complex according Cu2+, (a0+ 4NH3 (a) [Cu(NH3)4]* (aq) with a formation constant, Ke= 1.2 x 1013 How will the addition of aqueous NH3 effect the solubility of Cu(IO3)2 (s)? (increase, decrease or no effect)The following graphs represent the behavior of BaCO3 underdifferent circumstances. In each case, the vertical axisindicates the solubility of the BaCO3 and the horizontalaxis represents the concentration of some other reagent.(a) Which graph represents what happens to the solubilityof BaCO3 as HNO3 is added? (b) Which graph representswhat happens to the BaCO3 solubility as Na2CO3 is added?(c) Which represents what happens to the BaCO3 solubilityas NaNO3 is added? [
- Calculate the molar solubility of XF2, (Ksp = 6.8 x 106) in a 0.158 M X(NO3)2 solution. Report your answer with 4 decimal places You mut cubmit(b) Suppose the laboratory Technician carried out the same titration experiment in which he/she recorded an average volume of 20 cm³ of the dilute hydrochloric acid (HC) by titrating with 0.05 mol dm³ and 25 cm³ of potassium hydroxide (KOH). Calculate the concentration of hydrochloric acid from the Technician's experiment.The solubility of Ce(IO3)3 (cerium (III) iodate) in 0.20 M KIO3 (potassium iodate) is 4.4×10^-8 M. What is Ksp for cerium (III) iodate? Give correct sig figs. Show all work, thank you!