If a 0.2g of oil consumed 1ml of sodium thiosulphate, calculate its Iodine value and classify the oil?

Q: Calculate the boiling point of a solution containing 12g glucose C6H12O6 dissolved in 200g of water…

A: Introduction Using the formula,ΔTb=Kb× molalitywhere ∆Tb is the elevation in boiling point; Kb is…

Q: You are asked to prepare 20 mL of a 50 mg/mL drug dilution from a stog of 2 g/5 mL. How many…

A: Here, We need to calculate the milliliter of dilutant needed, for that purpose stock solution…

Q: A base is added to a 0.050 M solution of MnCl2, raising the pH gradually. Calculate the pH of the…

A:

Q: The concentration of cholesterol (C27H46O) in blood is approximately 5.0 mM. How many grams of…

A: Molarity can be expressed in terms of moles and is defined as the amount of solute dissolved per…

Q: According to Aristotle’s density equation, if 3.161 grams of the sugar sucrose (C12H22O11) occupies…

A: The objective of the question is to calculate the density of sucrose using Aristotle’s density…

Q: Consider a solution of glucose in water that is 5.25% by mass glucose. Calculate the indicated…

A: Water contains 5.25% by mass glucose. Mass of the solution=225g  Therefore, Concentration of…

Q: Consider a buffer solution of acetate. The volume is 500 ml, the concentration is 200 mM, and the pH…

A: a) Total moles = volume in L × concentration (M)Volume in L = 0.5 LConcentration = 200 mM = 0.2…

Q: Prepare 200 ml of a 0.125 M stock of NaCl from a 1 M concentrated stock solution of NaCl.

A: An artificial nutrient medium contains nutritional components like sugars, salts, amino acids, etc.…

Q: Consider the titration of a 23.0-mL sample of 0.110 M HC2H3O3 (Ka=1.8\times 10−5) with 0.120 M…

A: volume of base required to reach equivalence point = (0.110 M x 23 ml)/0.120 M = 21.1ml of NaOH pH…

Q: MD ordered morphine SO4 gr 2/5 and the pharmacist has a stock solution of gr 1/8 per milliliter of…

A: Morphine has analgesic properties and is used to relieve pain. The drug belongs to a class of drugs…

Q: For Mg calculation, where did the 0.1 value come from?

A: In healthcare, a variety of calculations are required to figure out appropriate dosages, medication…

Q: If a pharmacist needs to prepare a bacterial suspension with a concentration of 2.4x10^2 cfu using 1…

A: A colony-forming unit is the number of viable or alive cells in cell suspension that have the…

Q: How would you dilute 0.1 M boric acid in 1:10 ratio to 0.01M?

A: Given Values: Initial Conc. of boric acid = 0.1 M Final Conc. of boric acid = 0.01 M Dilution = 110…

Q: calculate the pH of a 0.10M solution of formic acid. the Ka of formic acid is 1.8x10^-4

A:

Q: You want to prepare a 15 mL gel containing 0.8% (weight /volume) agarose. How much agarose do you…

A: Agarose is a polysaccharide extracted from seaweed that, when mixed with water, forms a gel-like…

Q: How much caffeine can be extracted using 50.0ml of DCM if a tea bag contains 15 grams of tea leaves…

A: Given Values: Amount of tea leaves = 15 grams % of caffeine present in tea leaves = 0.9%  Amount of…

Q: When 2.43 g of a nonelectrolyte solute is dissolved in water to make 435 mL of solution at 25 °C,…

A: The compounds which will not ionize in any solution are called nonelectrolytes. The electricity will…

Q: What is the purpose of calculating the percent citric acid?

A: Introduction Citric acid is a weak organic acid and a component of fruits and vegetables, mainly…

Q: consider pyruvic acid with Ka = 1.4x10^-4. what initial molarity of pyruvic acid would be needed to…

A: The acid dissociation of pyruvic acid can be written asCH3​COCOOH(aq)→CH3​COCOO−(aq)+H+(aq) GivenpH…

Q: How many mL of methadone is needed for a patient who was prescribed 0.015 g of methadone? The vial…

A: The volume of drug solution (methadone) to be infused will be calculated by considering the volume…

Q: How many grams of NaOH are needed to make 50 mL of a 0.02 g/mL NaOH solution?  How many grams of…

A: Given Values: 1. Volume of NaOH needs to be prepared = 50 ml Concentration of NaOH need to be…

Q: Draw an approximate titration curve of glycine. Label the approximate isoelectric point of the…

A: A titration curve is a graphical representation of the pH of a solution as a function of the volume…

Q: Given 10 gram of vitamin C (E=0.18), we can make ml of isotonic Vitamin C solution.

A: Isotonic solution has the same water concentration and solute concentration as in the cytoplasm of…

Q: You have 150 g of dextrose available and you need to compound a 20% solution. If you use the entire…

A: When we describe a concentration as a percentage without specifying the type of formula, we imply…

Q: of Mg2+.Classify each analyte based on its level in the soil sample

A: Amount of soil sample = 2.65g                          In mg      = 2.65 × 1000             = 2650…

Q: Given: 2KI +Pb(NO3)2 --> PbI2 + 2KNO3.  How many grams of lead (II) iodide are produced if 0.250…

A: 2KI +Pb(NO3)2 --> PbI2 + 2KNO3 Thus, 2moles of KI with 1mole of Pb(NO3)2 gives 1 mole of PbI2…

Q: A chemist is performing a precipitation titration on a 1.00 L sample containing an unknown…

A: Titration is the process, in which the exact concentration of the unknown solution can be used to…

Q: Calculate the percent by mass of a solution that is prepared by dissolving 385 grams of potassium…

A: Weight percentage %= [Weight of solute]/Weight of solvent+ Weight of solute x 100

Q: You are asked to prepare 50 ml of a 1:100 rifampin (rifadin) and you have in stock a 1:20 rifampin…

A: Rifampin (Rifadin) is an antibiotic used to treat bacterial infections like leprosy, tuberculosis…

Q: You want 235mL of a solution that consists of 10% BSA, 2.37mM KCl and 120µM EDTA.  You have stock…

A: BSA is a globular proteins which is a well studied proteins and used as standard protein molecule in…

Q: You have a 15% (m/v) solution put any units in your answer, ju

A: Dilution Equation M1 V1 = M2  V2

Q: If equal portions of tretinoin gel, 0.1 % w/w and 0.4 % w/w are combined, what would be the…

A: The objective of the question is to find the resultant percentage strength when equal portions of…

Q: It is recommended that children should have fluoride supple- ments for their teeth if the fluoride…

A: To convert parts per million (ppm) to micrograms per liter (µg/L), we need to know the molar mass of…

Q: The enthalpy of combustion of hard coal averages −35 kJ/g, that of gasoline, 1.28 × 105 kJ/gal. How…

A: The enthalpy of combustion (∆Hc) of a substance is defined as the heat energy released when one mole…

Q: Creatinine, C4H7N3O, is a by-product of muscle metabolism, and creatinine levels in the body are…

A: Let's calculate the mass of creatinine in a 10.0 mL blood sample. The normal level of creatinine in…

Q: A liter of a TPN solution contains 500 milliliters of 50 percent dextrose solution and 500…

A: To determine the daily energy and protein intakes of a person receiving 2 liters per day of the TPN…

Q: if you have Quinoa Serving size -170 grams Carbohydrates – 109 grams calculate the DV % for these…

A: DV% is how much of a nutrient is present in a single serving of a packaged food or a dietary…

Q: 9. 1.4 g of glucose (C6H1206) is dissolved in 150 ml of water (final volume). What is the final…

A: Molarity can be calculated as : M = n/V where, M is the molality of the solution that is to be…

Q: Calculate the pH of a mixture of 0.25 M acetic acid and 0.20 M sodium acetate. The pKa of acetic…

A: The Hasselbalch-Henderson equation is used to estimate the pH of a buffer solution. The numerical…

Q: A prescription came in for 34% salicylic acid. The pharmacy has 95% salicylic and 10% salicylic acid…

A: To prepare 500 Mg of 34% salicylic acid using 95% and 10% salicylic acid, you can use the following…

Q: Using the formula V₁D₁ = V₂D2, what volume of a 1/100 (10-2) dilution would you need to produce 100…

A: Stock solutions refer to the high-concentration solutions used for dilution. A stock may have a…

Q: Refer to the following titration curve below: 13 12 11 10 7 6 5 4 4 6 8 10 12 14 16 18 20 22 24 26…

A: Iso electric point: the pH at which the Amino acid exists in a zwitter ionic state us called iso…