Determine the molar mass of an unknown compound if the solution formed when 3.28 g of the compound dissolves in 100.0 g of benzene boils at 80.9°C.

Q: onsider the solubilities of a particular solute at two different temperatures.…

A: For a saturated solution,   the amount of solute dissolved is equal to the solubility . that is…

Q: Calculate the molarity of the solutions made by mixing 192  mL of 4.6 M HC2H3O2 with the following:…

A: When solutions of different concentration mix each other, the concentration of resulting mixture…

Q: Calculate the molality of chloride ions in an aqueous solution of magnesium chloride in which the…

A: To solve this problem we will use the formula of molality

Q: Explain how a saturated solution represents an equilibrium between the solution and any undissolved…

A: Explain how a saturated solution represents an equilibrium between the solution and any undissolved…

Q: 29 g of KOH is dissolved in 250. mL of water. What is the mass percent of KOH in this solution?…

A: Hence you posted multiple choice questions, I will answer the first three sub questions. (1) mass of…

Q: Calculate the freezing point of a 1.86 M solution of MgCl2 in water. MgCl2 is a strong electrolyte

A: Applying concept of dipression in freezing point. ∆Tf= i×Kf× m

Q: The boiling point of water is 100.0°C at 1 atmosphere. How many grams of barium acetate (255.4…

A:

Q: The EPA has set the MCL for the concentration of cadmium as 5.05.0 ppb. What is the concentration of…

A:

Q: Two beakers are placed in a small closed container at 25 °C. One contains 226 mL of a 0.255 M…

A: The objective of the question is to calculate the final volume and the concentration.

Q: Consider the solubilities of a particular solute at two different temperatures. Temperature ("C)…

A: Solubility is defined as mass of solute that could be dissolved in a solvent at a particular…

Q: What is the molality of a solution made by dissolving 9.43 grams of MnCl 2 in 385 grams of water?…

A:

Q: What is the freezing point (in °C) of a solution of 21.61 g methyl salicylate, C8H8O3, dissolved in…

A: Colligative properties: The colligative properties are those properties of solutions that depend on…

Q: A student dissolves 13. g of aniline (C6H5NH₂) in 175. mL of a solvent with a density of 0.89 g/mL.…

A:

Q: The freezing point of water is 0.00 °C at 1 atmosphere. How many grams of zinc chloride (136.3…

A:

Q: Calculate the molarity of a solution that contains 2.25 molof NaNO3 dissolved in 2.50 L.

A: Given data contains, Moles of NaNO3 is 2.25 mol. Volume of solution is 2.50L.

Q: Calculate the concentration of F−F− in solution and its absolute uncertainty.

A: Answer is 0.01185 ± 0.000059 mol/L  Absolute uncertainty  = 0.000059

Q: Solubility (g solute in 100 mL H₂O) 100 80- 60- 40- 20- 0 0 -8 20 40 Temperature (°C) 60 Use the…

A: Solubility: Solubility of a substance refers to the amount of substance that can be dissolved in 100…

Q: 1.) You find a sample of an unknown compound that is a non-electrolyte. You prepare a solution by…

A:

Q: When 1.504 g of a solute is dissolved in 5.012 g of solvent (benzene), the solution freezes at -7.05…

A: Given: Mass of solute = 1.504 g Mass of solvent (Benzene) =5.012 g Freezing point of the solution…

Q: A student dissolves 9.2 g of aniline (C6H5NH₂) in 500. mL of a solvent with a density of 1.10 g/mL.…

A: The question is based on the concept of molarity. molarity is a method of expressing concentration…

Q: The freezing point of water, H₂O, is 0.000 °C at 1 atmosphere. Kf(water) = 1.86 °C/m In a laboratory…

A:

Q: How many  grams of CO2 are dissolved in 300.9884 mL of water (in g), if the partial pressure of the…

A: Given - Partial pressure of CO2 = 0.0200 atm Volume of water = 300.9884 ml Molar mass of CO2 = 44.01…

Q: Given that acid has a freezing point of 16.60 Celsius and K f of 3.59 C/m, find the freezing point…

A: First, calculate the molality of the given undissociated solute,

Q: Ice cubes from a freezer have a temperature of about -12°C (10°F), which is cold enough, but contact…

A: Det Tf=i ×Kf×m ion ,i for Nacl-->Na+ +Cl- i=2

Q: The solubility of solid X is given below. What is the maximum percent recovery if a student wanted…

A: NOTE: Assuming that the initial temperature is 100 oC and the final temperature is 0 oC as per the…

Q: таyers. layer is on top If molecular iodine (I2) is added to the test tube, predict which plve most…

A: Water layer is on top because water is less denser then carbon tetrachloride. Molecular iodine is…

Q: Solubility graphs are constructed similar to the one below. For most solid substances, the…

A: The objective of the question is to explain the effect of temperature on solubility.

Q: What is the solubility in g solute/100 g h20 if 11.372 g of a compound was dissolved in 8.36 g of…

A: Answer :-  136.03 (g)/100 (g) H2O  The solubility of compound when 11.372 g of a compound was…

Q: At 70 °C, the solubility of an unknown solute is 65.7 g/100.0 g of water. What mass of the solute…

A:

Q: A student dissolves 10. g of aniline (C6H5NH₂) in 425. mL of a solvent with a density of 0.98 g/mL.…

A: Given : mass of aniline = 10 g  Tip : molarity = moles / volume of solution (L)      Molality =…

Q: An ethylene glycol solution contains 27.0 g of ethylene glycol (C2 H6O2) in 94.6 mL of water.…

A:

Q: Remember that the boiling point elevation constant for water is Kb = 0.512 C/kg, and the freezing…

A:

Q: The names and chemical formulae of some chemical compounds are written in the first two columns of…

A: Iron(III) iodide (FeI3) insoluble in water and it won't dissociate into ions.

Q: The names and chemical formulae of some chemical compounds are written in the first twa columns of…

A: Iconic compounds are easily soluble in water and they can dissociate into respective ions in…

Q: When 0.52 g of an unknown nonelectrolyte are dissolved in 35.0 g cyclohexane, the freezing point of…

A: Given data: The mass of unknown nonelectrolyte m=0.52 g. The mass of cyclohexane=35.0 g=0.035 kg.…

Q: Calculate the molality when 55.0 grams of MgCl2 is dissolved in 500.0 g of solvent.

A:

Q: How many grams of sodium chloride (58.44 g/mol), must be dissolved in 204.0 grams of water to raise…

A: Problem is based on elevation in boiling point.