Calculate the molar conductivity of NH4OH at infinite dilution if the following data are known: A° (NaOH) = 248 x 104 siemen mol1 m?, A° (NaCl) = 126 x 104 siemen mol1 m? win ww m A° (NHẠCI) = 150 x 1044 siemen mol1 m? %3D win
Q: Estimate the diffusivity of a spherical protein with molecular weight of 36,000 in water at 37°C.
A: Interpretation: Molecular weight of spherical protein = 36,000 Temperature = 37°C OR 310.15 K 0°C =…
Q: Calculate ionic strength of the following electrolyte solutions: (a) 0.04 mol/kg CaCl2(aq) (b)…
A: The properties of electrolyte solutions can significantly deviate from the laws used to derive…
Q: Calculate the molar conductivity of NH4OH at infinite dilution if the following data are known: Λo…
A: The molar conductivity of NH4OH can be calculated as:-
Q: nfinite molar electrical conductivity of several compounds in methanol at 25C as follows…
A: Compound ∆m∞ (ohm-1 cm-1 mol-1)KNO3 114.5KCl…
Q: A conductivity cell has a resistance of 250 Ω when filled with 0.02 M KCl at 25°C and 105 Ω when…
A: Resistance of a conductor is directly proportional to the length of the conductor and inversely…
Q: Resistance of 0.2 M solution of an electrolyte is 50 0. The specific conductance of the solution is…
A: GivenSpecific Conductance = κ = 1.3 Sm-1Given resistance = 50 ohmκ = 1R× cell constant1.3 Sm-1 = 150…
Q: At 298 K, the electrolytic conductivity of a 0.2 M KC1 solution is 2.50 X 10-2S cm-1. Calculate its…
A:
Q: 9. The molar conductivity values at infinite dilution, in units of Sm?mol1, of NHẠCI, NaCl and N2OH…
A:
Q: 6. The molar conductivity of Mg(NO3), is 2.488 x 10-2 S m? mol-1. If the molar conductivity of Mg2+…
A:
Q: An aqueous solution with 15 g sulfuric acid is dissolved to make 0.2F solution. The specific gravity…
A: The solution contains 15 g sulfuric acid.
Q: 田 Solution Conductivity (us/cm) A- CaCl, 9362 A- AICI, 11707 A- NaCl 5214 B- HC,H;O2 461 B- HCI…
A: The ability of an aqueous solution to transfer an electrical current is measured by conductivity…
Q: A certain liquld X has a normal bolling polnt of 140.40 °C and a bolling polnt elevation constant…
A: Given : Normal boiling point of liquid X = 140.40 oC Mass of solvent i.e liquid X = 300 g = 0.300 Kg…
Q: A 100.0 mL solution of 0.0050 M copper(Il) nitrate exhibits a conductivity of 1251 uS/cm at 25 C.…
A: The molar conductivity is the conductance of all the ions produced by one mole of the electrolyte.…
Q: 4-) If the conductivity of a 0,00100 M Kcl Solution in 134 M5 Cm". then the molar Conductivity of…
A: From the relationship between conductivity and molar conductivity we can solve this problem
Q: For weak electrolytes, such as acetic acid, at very low concentrations the molar conductivity drops…
A: Weak electrolytes are the electrolytes that are not completely dissociated into water. Strong…
Q: The molar conductivity at infinite dilution in case of NaBr, HBr and NaAc are 116.4, 415.9 and 81.0,…
A: Given data is as follows: The molar conductivity at infinite dilution of NaBr = 116.4 Scm2mol-1 The…
Q: The electrolytic conductivity of a 0.1 M solution of acetic acid was found to be 5.3x 10*g'cm".…
A:
Q: You are asked to calculate molar conductivity of a NaCl solution with a concentration of 0.03125…
A: Conductivity is the conductance per unit volume of the arrangement; it might likewise be considered…
Q: What is the volume of sulfuric acid H2S04 required to prepare a dilute solution of 1000 ml with a…
A:
Q: An increase in equivalent conductance of a strong electrolyte with dilution is mainly due to 100%…
A: On dilution , number of charge carriers per meter3 decreases but the volume increases. Therefore the…
Q: 6. If molar conductivity of HCl solution at 25° C is 425 Scm2 mol'at infinite dilution. The specific…
A: The expression of molar conductivity is shown below: λm =κc where; λm = molar conductivity k =…
Q: answer of the following sentences: (1) The electrolytic conductivity of a 0.1 M solution of acetic…
A: Molar conductivity is defined as the conductance of a solution containing one mole of the…
Q: How many moles of solute particles are present in 1.64 mL of 0.458 M K2SO4? (the answer is 2.25E-3…
A:
Q: A- preparation of approximately (0.1N) HCL 1. Calculate the normality of the concentrated HCL. Sp.g…
A:
Q: 5. What is the approximate molarity, molality and normality of a 13% w/w solution of H2SO4…
A: Given: percentage solution of sulfuric acid=13% Density of the solution=1.090g/ml The 13% solution…
Q: The molar conductivity at infinite dilution of hydrobromic acid, sodium acetate, & sodium bromide at…
A: Molar conductivity at infinite dilution of : Hydrobromic acid (HBr) = 520.1 S cm2 mol-1 Sodium…
Q: Calculate the formality and normality of a commercial solution of H2SO4 whose purity is 97% and its…
A: 97% by weight of solution means 97 gram of H2SO4 in 100 gram of solution. Density of Solution = 1.82…
Q: limiting conductance
A:
Q: Example (6): Find the molar conductivity of aque ous solutions of LiCl and MgC at infinite dilution…
A: Molar conductivity of LiCl and MgCl2 at infinite dilution
Q: The Horrock's equation is an empirical equation which provides an estimate of the number of H,O…
A: A Horrock's equation which allows the determination of number of water molecule in coordination…
Q: Which of the following statements is true? For an ideal solution, _____. I. DHmix = 0 but HE >…
A: The enthalpy of mixing of the pure components to form the solution is zero For ideal solution,…
Q: Estimate the vapor pressure of seawater at 20°C given that the vapor pressure of pure water is 2.338…
A: Given Temperature = T = 20°CVapour pressure of pure water = Ppure water° = 2.338 kPaConcentration of…
Q: Calculate the normality of 0.2M Na2CO3 (M.wt = 106).
A: Normality is a measure of concentration equal to the gram equivalent weight divided by volume of…
Q: 13. The molar conductivity of 0.0300 M HF (aq) is 4.10 mS m² mol¹. Determine the acidity constant,…
A: Given data
Q: 0.025 M CH3COOH solution has a specific conductance of 2.33X10-4 Scm-1 , and molar conductivity at…
A: Molar Conductivity: Molar conductivity is conductivity of a solution that contains 1 mol of the…
Q: ... متعد د الخيارات What is the volume of sulfuric acid H2S04 needed to prepare a dilute solution of…
A:
Q: Missing molar conductivity Given: Conductivity: 281 us x cm^-1 (microseconds/cm) Concentration of…
A:
Q: Calculate the normality and molarity of a 15.0% (by weight) H₂SO₄ solution with a specific gravity…
A: The specific gravity of liquids is nearly always measured with respect to water. Specific gravity is…
Q: If 10.0mL of H2SO4 (specific gravity=1.50 containing 48.7% of combined SO3 by weight) is diluted to…
A:
Q: The osmotic pressure of a solution of polystyrene in toluene (methylbenzene} was measured at 25 °C…
A: The pressure which is applied to a solution to stop the inward flow of pure solvent through semi…
Q: Mix a 0.1 N CH3COONa solution with a 0.2 N HCI solution (ratio of 1:1 by volumn). The equivalent…
A: Equivalent conductance is conductance of all the ions produced by dissolving i gram euivalent of a…
Q: 5 mL of HCl and 5 mL of CH3COOH solutions are titrated with a pipette in a glass bottle and 150 mL…
A: Given data:
Q: The activity of H, O in 35 wt% H, SO4, measured by lowering of the vapor pressure of H,O, is -Al1,0…
A: The overall reaction occurring in a lead acid battery is: PbO2+Pb+2H2SO4→2PbSO4+2H2O
Q: Calculate the osmotic pressure of a 10.00% (w/w) NaCl solution (MW=58.44g/mol) under STP (standard…
A: From the given data, the mass NaCl and water are determined as follows.
Q: Calculate the conductivity of a 0.050 M AIPO4 solution at 25 C. Determine your answer in units of…
A: Solution
Q: b) Conductivity measurements were one of the first methods used to determine the ionization constant…
A:
Step by step
Solved in 2 steps
- Calculate the molar conductivity of NH4OH at infinite dilution if the following data are known: Λo (NaOH) = 248 x 10-4 siemen mol-1 m2, Λo (NaCl) = 126 x 10-4 siemen mol-1 m2 Λo (NH4Cl) = 150 x 10-4 4 siemen mol-1 m29. The molar conductivity values at infinite dilution, in units of Sm?mol1, of NHẠCI, NaCl and N2OH are 1.497 x 10², 1.2645 x 10² and 2.478 x 10², respectively. (a) Calculate the molar conductivity at infinite dilution of NH4OH. (b) The molar conductivity of 0.0100 moldm3 NH,OH is 1.13 x 103 Sm?mol. What is the degree of dissociation and the dissociation constant, Kp, of 0.0100 moldm3 NHẠOH?The equivalent conductance of a 0.0140N solution of chloroacetic acid is 109.0 at 25 degrees C. What is the ionization constant (Ka) of chloroacetic acid?
- 6. If molar conductivity of HCl solution at 25° C is 425 Scm? mol'at infinite dilution. The specific conductance is 3.824 Scm", if degree of dissociation is 90%, what is the concentration of the solution? a) 1 mol/L c) 0.10 mol/L e) 0.9 mol/L b) 10 mol/L d) 0.8 mol/Lality al, g. on te ew led ed in X= A solution was prepared by dissolving 140.0 g of KCl in 315 g of water. Calculate the mole fraction of KC1. (The formula weight of KCl is 74.6 g/mol. The formula weight of water is 18.0 g/mol.) Express the mole fraction of KCl to two decimal places. View Available Hint(s) Submit 5 ΑΣΦ Part B - Use the definition of molality 001 mol/ka 12 of 33 ? P Pearson Review I Constants I Periodic Table A solution was prepared by dissolving 140.0 g of KCl in 315 g of water. Calculate the molality of KC1. (The formula weight of KCl is 74.6 g/mol. The formula weight of water is 18.0 g/mol.) Express the concentration of KCl in molality to two decimal places. ▸ View Available Hint(s) >D A S cm² mol-¹ Q CH34 8. Which of these electrolyte solutions is expected to give the highest ionic molar conductivity, A? (KCI A°= 150 S cm² mol-¹) (CH3COOH A°= 391 S cm² mol-¹) 0 y=-2219.8x + 150 1 A (mol/cm³)¹2 (c) ¹² A) 5.00 x 10 mol/cm³ KCI B) 5.00 x 105 mol/cm³ KC1 C) 1.00 x 10 mol/cm³ KC1 D) CH3COOH solution with a degree of dissociation of 0.01 E) CH3COOH solution with a degree of dissociation of 0.1 지금 0 y-654.104x+0.00256 CA
- According to the table below answer the following question: Salt pair NaC KC NaNO 3 KNO 3 Equivalent Conductance (mho cm Vequiv) 108.90 130.10 105.33 126.50 KBr 132.30 NaBr is ? 143.8 106.7 153.5 111.10You are asked to calculate molar conductivity of a NaCl solution with a concentration of 0.03125 mol/L according to the following equation, where χ is the conductivity and is 1.41x10-3 (±0.02) ohm^-1 cm^-1 and C is the concentration of the solution. The uncertainty of the volume measurement in determining concentration is given as ±0.02 and the mole value is given with no significant error. Calculate molar conductivity in ohm^-1 cm2mol^-1 and give your result with necessary significant figures.KMnO4 and Na2C2O4 solutions were used in the reactions that took place in a back titration to determine the amount of H2O2 in a sample. Calculate the concentration of H2O2 in the sample (w / v) as% by making appropriate assumptions for the volumes and normality of all these solutions.
- A solution of 1.50 g of solute dissolved in 25.0 mL of H₂O at 25°C has a boiling point of 100.45°C. (a) What is the molarmass of the solute if it is a nonvolatile nonelectrolyte and thesolution behaves ideally (dof H₂O at 25°C= 0.997 g/mL)? (b) Conductivity measurements show the solute to be ionic ofgeneral formula AB₂ or A₂B. What is the molar mass if the solu-tion behaves ideally? (c) Analysis indicates an empirical formulaof CaN₂O₆. Explain the difference between the actual formulamass and that calculated from the boiling point elevation. (d) Find the van’t Hoff factor (i) for this solution.Q3 A: Calculate the equivalent weight of H;PO4 ,Na,CO3, Ca(OH), . Awt H=1 ,0=16 , Na=23 .C=12 ,Ca=40 ,P=30. B: Write properties of standard solution.What is the ratio strength (w/v) of an isotonic solution for pilocarpine hydrochloride FD1% 0.138? A. 1 in 26.5 B. 1 in 37.7 C. 1 in 46.1 D. 1 in 217 Can you explain how to tackle such questions that only provides SCE values or FD1 values like the above? Thank you
