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Can you explain how to figure out which is the anode and which is the cathode.
![Cu
electrode
lead
Copper
electrode
CuSO4
solution
(a)
Meter
common
lead
[Cu²+] = 0.0200 M
Voltmeter
0.412 V
Com
Very high resistance
Salt bridge
Saturated KCl solution
Meter
positive
lead
[Ag+] = 0.0200 M
Ag
electrode
lead
Silver
electrode
AgNO3
solution](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fdb688f85-aacf-4966-891c-9ccccc50e8d7%2F68652b3a-3e92-4ca5-a63d-0894ca699a02%2Fxe198c6_processed.jpeg&w=3840&q=75)
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- 3.Explainthethin-layerchromatographicpuritycheckprocedureforanalysisofanunknownorganic compound.I. Expressions of Concentration1. Calculate the sodium content, in terms of mEq, of 1 g of ampicillin sodium (C6H18N3NaO4S).2. A pharmacist dissolves the contents of eight (8) pcs of Clindamycin 250 mg capsules, into a sufficientamount of astringent to prepare 120mL of solution. What is the percentage strength (w/v) of clindamycinin the prescription?3. How many milliliters of a solute should be used to prepare 1 pint of a 15% (v/v) lotion?4. What is the molarity of a solution that is prepared by dissolving 10g Potassium chloride in enough water tomake 500mL of solution?5. Express in percentage the fluoride concentration in drinking water given in 0.6 ppm.17. This scenario mimics a situation a 2022 graduate experienced on their APPE last spring: How many milliliters of anhydrous dextrose 10 % (w/v) solution and anhydrous dextrose 2.5 % (w/v) are needed to make three liters of a 300 mOsm/L product.
- 4.In a certain conductivity cell, the resistance of a 0.01 M KCl solution is 150 Ω. Theknown molar conductivity of the solution is 141.27 Ω-1 cm2 mol-1. Calculate the cell constant (Kcell).*(Kcell unit is cm-1) 5. Using the same conductance cell as in Question No. 4, a student measured the resistanceof a 0.10 M NaCl solution to be 19.9Ω. Calculate the experimental value of the molarconductivity of this solution.A piece of an unknown weighing 12.50is placed in 49.7cm of water in a cylinder. The water level increases to 69.0cm3. whats the calculated value for the drnsity of the solid in g ml-11) The ratio strength of a 10mL vial of neostigmine methylsulfate injection USP is 1:1500. Calculate the amount of neostigmine methylsulfate in milligrams contained in the 10mL vial. (Round to the whole number).
- In an experimental study of membrane-like assemblies of synthetic materials, a phase diagram like that shown was obtained. The two components are dielaidoylphosphatidylcholine (DEL) and dipalmitoylphosphatidylcholineIDPU. Explain what happens as a liquid mixture of composition xDel = 0.5 is cooled from 45 °C.b) In one conductivity cell, the resistance of a 0.1 M KCl solution is 1.5x102 Ω. The knownmolar conductivity of the solution is 101 Ω-1 cm2 mol-1 . Calculate the cell constant, Kcell. (Kcell unit is cm-1).1. Determine the mass of sodium chloride required to prepare 400 ml of a Mueller-Hinton broth supplemented with 5.5% (wt/vol) sodium chloride solution. [Mwt NaCl = 58.44 g/mol] Define the following term: Coliform
- 2 Fe + O2 --> 2 FeO has a positive Delta SKsp for Co(OH)2 is 5.92x10^-15The resistance of a conductivity cell containing a 0.02 M aqueous solution of KCl was fond to be 83 ohms at 298 K. The conductivity of the 0.02 M KCl solution at this temperature is 0.00277 S cm-1. When the cell was filled with a 0.005 M aqueous solution of K2SO4, it exhibited a resistance of 326 ohms at the same temperature. What is the molar conductivity of the potassium sulfate solution? [ answer should be 141 S cm2 mol-1]thank u