A 1.59g sample containning KI was analyzed gravimetrically and .0538g of barium iodate was recovered. Express the results of this analysis as percent potassium iodide.

Q: Ostwald`s dilution law can be re-arranged as

A: Welcome to bartleby ! Introduction :  We have to rearrange ostwald's dilution law.

Q: ) the volume in m³, occupied by the water vapor, (b) the amount od (c) the number of ploculor

A:

Q: A public water supply was found to contain 0.8 partper billion (ppb) by mass of chloroform, .(a) How…

A: Concentration is the way of expressing the amount of substance with reference to total amount of the…

Q: Data Table:ed.ow Mass of lauric acid (g) Mass of residual lauric acid in weighboat (g) 5.0024 q…

A: Formulas used -  1)  m = moles solutekg solvent 2) ∆tf = kf × m 3) mexp = ∆tfkf 4) mexp × kg solvent…

Q: = a homogenous mixture s be made of liquid com

A: (7) What is a pure substance that is only made of the type of atom –  (A) Element → Element is a…

Q: For the percent purity section should the 35 be converted into moles of calculated glucose as it is…

A: To calculate purity percent , both the calculated moles and given moles should be in same unit.

Q: 200g of iron) ntrate (MW= 241.86g/mole) is added to 225.0g of watel (MVV determine the mole fraction…

A: Iron (II) nitrate dissolved in the water to give ferric ion and nitrate ion. The balanced equation…

Q: II. Freezing point of a pure solid. Data Table. 1. mass of pure naphthalene o l seode os 9.579g…

A: Mass of pure napthalene = M = 9.579 g = 9.579 * 10-3 kgFreezing Point of napthalene = TN = 78.6…

Q: solute in the mixture. unight of heavy molecule. Pure insulin, n was measured at

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: ssing through a medium causes areas of:

A: This question is related to waves.

Q: What determines that a homogeneous solution will form? Identify the steps in the process that…

A: When solute and solvent molecules experience same type of intermolecular forces they form solution…

Q: The solvents, dichloromethane and cyclohexane, are organic liquids that are insoluble in water, and…

A: During liquid-liquid extraction of an analyte using two different solvents, the solvent with higher…

Q: Miscible liquids from homogeneous mixture when added together. is Toluene miscible with water or…

A: If a liquid is completely soluble in another liquid solution, then it is said to be miscible.

Q: The specific conductance of the electrolyte on dilution.

A: We have to tell effect of dilution on specific conductance

Q: DiA lungful exhaled into volume of s tempuratine wwld se n chamher if 450 mmtHtg hen

A:

Q: QUESTION 18. In the experiment "Density of a Solution", why was it necessary to calibrate the…

A: last option to dispense the exact amount of liquid is correct option

Q: To 180g of 8% sodium chloride solution was added 20g of NaCl. The mass fraction of sodium chloride…

A: Consider the given information is as follows; Mass of original solution = 180 g  Mass of NaCl added…

Q: Describe the preparation of a 500. ml of 2.50 M solution cupric sulfate pentahydrate, starting from…

A:

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: What is the normality of the potassium permanganate?

A: Given mass of Na2C2O4 = 0.2295 g  Gram molar mass of Na2C2O4 = 134 g/mole  Volume of KMnO4 in mL =…

Q: Complete the table by computing Volume HCl used, Normality of HCl and Average normality of HCl.  The…

A: Normality is the number of gram equivalents of the solute dissolved per liter of the solution.

Q: what is the correct volume of 2.5M PhMgBr in THF is needed to completely react with 1.5ml of methyl…

A: The volume of 2.5M PhMgBr in THF is needed to completely react with 1.5ml of methyl benzoate, it is…

Q: Define the term Solution Stoichiometry?

A: The term solution stoichiometry has to be defined.

Q: Tendency of the solute to spread throughout the solution until the composition is homogeneous

A: We have to explain, tendency of the solute to spread throughout the solution until the composition…

Q: Find the mass of sodium formate that must be dissolved in 430.0 cm' of a 2.0 M solution of fommic…

A: Given,  Molarity of HCOOH = [HCOOH] = 2.0 M  Volume of HCOOH = 430.0 cm3  pH of the buffer solution…

Q: Mass of 2 Vivarin tablets (g) 0.728 Mass of crude caffeine (g) 0.567 Mass of recrystallized caffeine…

A: Given: mass of 2 vivarian tablets = 0.728 g mass of crude caffeine = 0.567 g mass of recrystallized…

Q: In one period th A. Sublimation B. Dissolving

A: We know that, when we make a change that pushes the system towards equilibrium, the potential goes…

Q: 6. .... =mole/L. a) Mole fraction b) Molarity c) % Yield d) Normality

A: We are given : UNIT = mol/L We have to find the quantity that have unit of mol/L.

Q: By pipot the stock solution of potassium permanganate (KM 1 O 4 ) from Question was transferred to…

A: The concentration of the resulting solution after dilution of stock solution can be calculated using…

Q: Suppose that a student is testing a water sample for hardness, but has found that the sample is so…

A: The hardness of water is measured by spectrophotometric techniques. Hardness in water is due to the…

Q: Show calculations for the experimental percentage of water for Trial 1 Percentage of Water in…

A: When the water molecules perform as a key constituent of a chemical compound and are found in a…

Q: When can the equation Psolution=Xwater in solution(Ppure water) be used? (i.e. What are its…

A: The equation given is, => Psolution = Xwater X Ppure water  where Psolution = vapour pressure of…

Q: Suggest the possible methods of separation of liquid–gas mixtures. Explain each method with an…

A: The method which is used for separation of liquid-gas mixtures is Distillation.

Q: Pressure of the mixttre is S.So atm. what is te presoure in this mixture? of oxysen

A: Pressure of gas in a mixture is the product of mole fraction of that gas to the total pressure of…

Q: A 0.2295 g of sodium oxalate required 35.12 ml of potassium permanganate solution in a titration.…

A: Answer:- this question is answered by using the simple concept of stoichiometry which involves the…

Q: the volatilized prodl this analysis called الاختيارات thermogravimetry precipitation method O…

A:

Q: Given a mass of 0.124 grams of oleic acid in a 10 mL oleic acid/pentane solution,what mass of oleic…

A: First the concentration of solution made by using given grams in 10mL is determined.

Q: Calculating mole fraction.

A:

Q: You grab a soft drink bottle from your refrigerator. The contents are liquid and remain liquid even…

A: The phenomenon of contents of soft drink bottle remain liquid after removing from refrigerator and…

Q: dissolve

A: Molarity of the Solution Formula,  Molarity = ( moles of Solute / volume of the solution ) • 1000

Q: is the weight of a pure substance which is chemically equivalent to or reacts with a fixed volume of…

A: (a) Mole - A Mole is defined as the amount of substance that contains exactly 6.022 x 1023…

Q: State Henry’s law and mention two of its important applications.

A: Given information,       Henry’s law and its two important applications

Q: Given a solution of iodine which is 1mL ≈ 0.0198 g As203, and a sodium thiosulfate solution of which…

A: 1) An iodine solution can be standardized by arsenic trioxide (As2O3). The reaction equation is…

Q: The standardized basic solution (0.0939 M) was then used in getting the total acidity of a food…

A:

Q: A sample of hydrated copper (II) sulphate weighs 124.8 g. The sample has been determined to  contain…

A: In order to find the molecules of water and the molecular formula we first write down the given…