Given: Mass of lauric acid (g): 8.000g Mass of benzoic acid (g): 1.027g Freezing temperature of pure lactic acid(°C): 43.3°C Freezing point of the benzoic acid-lauric acid mixture(°C): 39.8°C   Question: Calculate moles of benzoic acid solute, using the molality and the mass (in kg) of lauric acid solvent.

Q: The molality concentraion of a solution can be described as  - the moles of solute per liter of…

A: Molarity is defined as the moles of solute per litre of a solution. Molarity is also known as the…

Q: An aqueous solution is made by dissolving 19.8 grams of manganese(II) sulfate in 353 grams of water.…

A: Molality is the way to express the concentration of solution as the ratio of moles of solute per…

Q: Glycerol is used in manufacture of plastics and is a water-soluble liquid with a density of…

A:

Q: This question is part one of three. When answering this problem, report the answer with the…

A: Colligative properties are dependent on the number of moles of solute in the solution. There are…

Q: A solution is prepared by combining 5.03 grams of an unknown non-electrolyte with 323.0 grams of…

A:

Q: Reagent nitric acid is 70.40% HNO3 by mass and its molarity is 16M. Calculate following: a. density…

A: Given :

Q: The boiling point of a 1.50 m (molal; moles solute/kg solvent) aqueous solution of LiI would be…

A: The elevation in boiling point is calculated as ∆Tb = i × Kb × m Here, ∆Tb = elevation in boiling…

Q: A student dissolves 19. g of glucose (CH,20,) in 250. mL of a solvent with a density of 0.84 g/mL.…

A: Mass of glucose = 19 g Volume of solvent = 250 mL Density of solvent = 0.84 g/mL Molarity =?…

Q: In addition to filling in the blanks below, show all of your work for this problem on paper for…

A:

Q: Molality of iron(II) chloride in a solution is 3.958 mol·kg-1. What is the mole fraction of FeCl2 in…

A: Molality of FeCl2 is 3.958 molkg-1 it's meaning is 3.958mol FeCl2 dissolved in 1kg of water  So,…

Q: It is desired to prepare cupric sulfate solution by dissolving 250 grams of cupric sulfate in enough…

A:

Q: 1. Describe the relationship of the boiling point elevation, freezing point depression, osmotic and…

A: Hello. Since your question has multiple parts, we will solve first question for you. If you want…

Q: Toluene (CoH5CH3) has a vapor pressure of 0.038 atm, while benzene (CoH6) has a vapor pressure of…

A: Vapour pressure of toluene = 0.038 atm Vapour pressure of benzene = 0.13 atm Number of moles of…

Q: How can I find Molality by using the Density of a chemical compound?  I know m=mol/kg, but I always…

A: First we need to find out density. density = mass / volume   moles = mass/ molar mass   molality =…

Q: A student dissolves 7.4 g of glucose (CH,0,) in 150. mL of a solvent with a density of 1.11 g/mL.…

A:

Q: When 64.8g of sucrose was dissolved in 100g of water, the freezing temperature of the water was…

A: Given when 64.8g of sucrose is added to 100g of water, the freezing point of water becomes ---…

Q: A solution of:...is boiled SOLVENT: Water (H2O) - 100mL or 100.00g SOLUTE: Salt (NaCl) - 11.60g…

A:

Q: Common commercials acids and bases are aqueous solutions with the following properties:…

A: Since you have posted a question with multiple subparts, we will solve the first three subparts for…

Q: An aqueous solution is made by dissolving 23.8 grams of sodium sulfide in 465 grams of water. The…

A: To compute the molality of sodium sulfide solution. Given that: Mass of sodium sulfide = 23.8 grams…

Q: Why are units of molality (moles solute/kg solvent) used when discussing temperature-related…

A: The concentration units of molality is more preferable rather than in molarity while discussing the…

Q: Reagent nitric acid is 70.40% HNO3 by mass and its molarity is 16M. Calculate following: density in…

A:

Q: The normal freezing point of a certain liquid X is -2.6°C, but when 59. g of urea ((NH2)2CO) are…

A:

Q: Vodka is essentially a solution of ethanol in water. Typical vodka is sold as "80 proof," which…

A:

Q: An amount of 5.12 g unknown compound is dissolved in 25.0 g of chloroform to form a solution that…

A: The amount of the unknown compound (solute) = 5.12 g The amount of the chloroform (solvent) =25 g…

Q: What is the percent composition (% w/v) of the solution created by dissolving 2 packets of sugar…

A: Ice tea volume = 24 ounce  1 ounce = 29.57 mL Ice tea volume =29.57×24 mL=709.68 mL

Q: normal beiling polnt (degrees Celsius B. Boiling Point Elevation 106 - Figure 5. The following graph…

A:

Q: In the technique of recrystallization, one step involves heating the solvent containing the solute…

A: Solution -

Q: What mass of H2O (in grams) is needed to dissolve 6.03 g Li3PO4 to produce a solution having a…

A:

Q: A 50.00 g solution contains solid Naphthalene (C10H3) dissolved in benzene (CH6) liquid. The…

A: Recall the expression to calculate depression of freezing point               ∆Tf=Kf×m…

Q: What is the molality of nitric acid in a concentrated solution of nitric acid (68.0% HNO3 by mass)?…

A:

Q: HCl Wt% HCl = 25% 1.149 1.115

A: g)Molarity at 20oC Calculating the Molarity of 25 wieght % solution of HCl with the density of…

Q: It is desired to prepare cupric sulfate solution by dissolving 200 grams of cupric sulfate in enough…

A: Given :  Mass of cupric sulphate (CuSO4) = 200 gm  Volume of solution = 850 ml  Density of solution…

Q: Sodium hydroxide is available commercially as 50.0% by weight aqueous solution. Calculate the…

A: The number of moles for a given chemical species refers to the ratio of mass of the species to that…

Q: The molality of 0.840 M sugar .2 :(C12H22011) solution (density= 1.12 g/mL) is

A: Given data,Molarity of solution=0.840MDensity of solution=1.12g/mL

Q: This question is part two of three. When answering this problem, report the answer with the…

A:

Q: molality of solute(carbonic acid) in a 1.13 M aqueous solution, with water as the solvent (use…

A: molarity and molality are ways to represent the concentration of the solution

Q: A solution is prepared by dissolving 49.3 g of KBr (Molar mass = 119 g/mol) in enough water to form…

A: Answer: Given data: mKBr=49.3gMKBr=119g/molVsolution=473mLdsolution=1.12g/mL

Q: Freezing Point Depression: Molar Mass of a So Report Sheet Unknown solid number 942g 0.1949 2.94°C…

A: A numerical problem based on mole concept that is to be accomplished.

Q: The freezing point of ethanol  is -117.30 °C at 1 atmosphere. A nonvolatile, nonelectrolyte that…

A: Given :  Mass of ethanol = 226.0 gm  Molar mass of testosterone= 288.4 g/mol  Depression in freezing…

Q: How can we calculate the freezing point of a solution prepared from a solvent and nonvolatile…

A: Given : Non-volatile solute in a solution  To find : Calculation of a freezing point of solution.…

Q: 1. It is desired to prepare cupric sulfate solution by dissolving 250 grams of cupric sulfate in…

A: Given, Mass of CuSO4= 250g Molar mass of CuSO4=159.5 g/mol Density of solution= 1.405g/mL…

Q: An aqueous solution is made by dissolving 26.2 grams of chromium(II) iodide in 465 grams of water…

A:

Q: | 10. The electrolyte in automobile lead batteries is a 3.75M sulfuric acid (H,SO,) solution.…

A: (a)Calculate mass percent of solute and solvent: The molarity of sulfuric acid is 3.75 M. It implies…

Q: D. Freezing Point Calculation Directions: Study the sample problem and do the task given. Task to do…

A:

Q: 31. Common commercial acids and bases are aqueous solutions with the following properties: Density…

A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: Calculate the mole fraction of sodium chloride in a solution that is 10.5% by mass (The density of…

A:

Q: Vhat is an improper use of the Henry's Law? - View Available Hint(s) To determine the pressure…

A: To find the false statement about Henry's law? To determine the pressure-dependent solubility of…