The activity coefficient for an aqueous solution of dihydrogen citrate with an ionic strength of 0.01 M at 25°C is 0.888 figures] [Report your answer in 3 significant
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![The activity coefficient for an aqueous solution of dihydrogen
citrate with an ionic strength of 0.01 M at 25°C is
0.888
figures]
[Report your answer in 3 significant](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F2480c5c0-690d-472b-9712-65962b3732cd%2F8ca886c6-a537-4ae3-8739-8a1d2470f616%2Fpq2cdqg_processed.jpeg&w=3840&q=75)
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- Use the Debye-Hückel equation to calculate the activity coefficient of each ion at the given ionic strength in an aqueous solution at 25 °C. Mg2+ in a solution where μ = 0.0496 M YMg²+ 0.517 PO in a solution where μ = 0.0532 M YPO, 0.234 Incorrect Ion Pb²+ Mg2+ Zn²+ Cro Cr³+ PO3- Zr4+ Ce4+ Ion size (a, nm) 0.450 0.800 0.600 0.400 0.900 0.400 1.100 1.100The solution is 0.20 M MgSO4 and 0.70 M NaCl. Solid Na2SO4 is added to the solution so that the total ionic strength of the solution is 3.3. What is the Na2SO4 concentration of the solution then. The change in solution volume is not taken into account when adding reagents.(3) Calculate the solubility (K) of CO₂ in seawater using the AG values given below for each, and the relation between AGr and K H₂CO3(aq) -623.2 AGf CO₂ (g) + H₂O → -394.37 -237.18
- The Ksp of La(OH) 3 is 2.0x10-21 When activities are considered, what is the concentration of La³+ in a saturated solution with an ionic strength of 0.082 M? La(OH)3 (s) = La² + 3OH +3ОН (aq) (aq) Ksp = 2.0x10- -21 For La 3+ with a charge of +3 and a hydrated radius of 900 pm, the activity coefficient from the extended Debye Hückle equation is 0.194 when the ionic strength is 0.082 M. For OH with a charge of -1 and a hydrated radius of 350 pm, the activity coefficient from the extended Debye Hückle equation is 0.776 when the ionic strength is 0.082 M. Answer using scientific notation with 3 significant digits. For example typing "3.14E-6 M"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).Calculate the ionic strength of a solution that is 0.10 molKg-1 in KCl (aq) and 0.20 molKg-1 in CuSO4 (aq)
- !What is the activity coefficient for each ion at the given ionic strength at 25 °C? Activity coefficients at various ionic strengths can be found in this table. 0.626 HPO ( = 0.01 M) 7 = Incorrect 0.348 Se (H=0.01 M) Y= Incorrect 0.474 Eu (u 0.005 M) y= (CH,CH,),NH" ( 0.01 M) Y 0.889Find the isotonic coefficient for a 0.2M solution of an electrolyte, if it is known that one liter of this solution contains 2.18x1023 molecules and solute ions.
- Consider a solution of that is 0.0020 M K2SO4. Calculate the activity coefficient of K+.Q: The concentration of the sulphate ion in a mineral water can be determinedby the turbidity which results from the addition of excess BaCl2, to a quantityof measured sample. A turbidometer used for this analysis has been standardisedwith a series of standard solutions of NaSO4. The following resultswere obtained:Standard solution Conc. (SO4)2− (mg/L) Reading of turbidometerS0 0.00 0.06S1 5.00 1.48S2 10.00 2.28S3 15.00 3.98S4 20.00 4.61i. In supposing that a linear relationship exists between the readings takenfrom the apparatus and the sulphur ion concentration, derive an equationrelating readings of the turbidometer and sulphate concentration(method of least squares).ii. Calculate the concentration of sulphate in a sample of mineral waterfor which the turbidometer gives a reading of 3.67.2