Which of the following are measures of the concentration of solution? a) molality b) mass percent c) mole fraction d) all the above e) none Which of the following have the same numerical value as the (non-zero) molarity of a solution, using standar. units?

Q: ntifreeze solutions are aqueous solutions of ethylene glycol( d =1.12 g/ml) , In Connecticut, cars…

A: Density of ethylene glycol = 1.12 g mL-1 Depression in freezing point of water = ∆Tf = - 20 oF…

Q: A solution contains a mixture of pentane and hexane at room temperature. The solution has a vapor…

A: Given data, Vapor pressure of pure hexane = 151 torr Vapor pressure of pure pentane = 425 torr Total…

Q: A solution is prepared by dissolving 28.4 g of glucose (C,H120g) in 355 g of water. The final volume…

A: Hey, since you are posted a question with multiple sub-parts, we will answer first three sub-parts.…

Q: What is true about the heated solution upon cooling? * a. The undissolved solutes start to settle at…

A: Ans : C (The rate of recrystallization fast with the rate of cooling). The compound is dissolved in…

Q: The boiling point of an aqueous solution is 101.69 °C. What is the freezing point? Consult the table…

A: In this question, we will determine the freezing point of aqueous solution.  Given : boiling point…

Q: A solution is made by dissolving 25g of NaCl in enough water to make 1.0 L of solution. Assume the…

A:

Q: What is true about the heated solution upon cooling? A. As energy is released, the concentration of…

A: As per bartleby guideline, an expert is allowed to answer one question at a time. Please re upload…

Q: The boiling point of an aqueous solution is 101.21 °C. What is the freezing point? Consult the table…

A:

Q: B. Complete the table below for aqueous solution of potassium hydroxide Density (g/ml) Molarity…

A:

Q: A solution contains naphthalene (C10H8 MM: 128.164 g/mol) dissolved in hexane (C6H14 MM: 86.172…

A: Given, A solution contains naphthalene (C10H8 MM: 128.164 g/mol) dissolved in hexane (C6H14 MM:…

Q: the colligative property is best illustrated by the diagram. O a. Boiling Point Elevation O b. Vapor…

A: Picture shows that on addition of solute vapour pressure of decreases. Boiling point is temperature…

Q: What is true about the heated solution upon cooling? * a. The undissolved solutes start to settle…

A: Heating followed by cooling results into many observable changes into the solution.

Q: Based on these given: mass of unkown: 3.942 g mass of test tube: 30.665 g voulme of water: 20 mL…

A: Given: mass of unkown: 3.942 g mass of test tube: 30.665 g voulme of water: 20 mL total mass of…

Q: A semipermeable membrane is placed between the following solutions. Which solution will increase in…

A:

Q: Two beakers are placed in a closed container (left). One beaker contains water, the other a…

A: The volume of water decreases with time because water is a volatile substance due to which some of…

Q: When 74.8g of alanine C3H7NO2 are dissolved in 1450.g of a certain mystery liquid X, the freezing…

A: Given  alanine mass= 74.8g , mass of solution = 1450g=  the depression of freezing point ∆Tf =…

Q: Which of the following statements is true regarding the concentrations, Molarity and Molality?

A: b) The molar concentration is dependent upon the volume of the solution, while the…

Q: portional to lattice energy. B, inversely proportional

A: Osmotic pressure is a colligative property that means it depends only on the amount of the solute…

Q: The boiling point of an aqueous solution is 101.87 °C. What is the freezing point? Consult the table…

A: Given data : Boiling point of solution = 101.87°C Freezing point constant (Kf) = 1.86 °C.kg/mol…

Q: Volume of sal solution is 85.62ml, and volume of a metal bar is 11.79ml. Determine whether the metal…

A: All matter can be classified as solid, liquid and gases mainly. In these physical states of matter,…

Q: Write C if Statements a and b are correct           H is both statements are incorrect           E…

A: Freezing point - The point at which liquid turns into a solid , is known as freezing point.  Osmotic…

Q: A solution is prepared by dissolving 10.00 grams sucrose (molar mass of sucrose=343 grams) in 50…

A: Molarity is one of the concentration term and it is defined as the number of moles of solute present…

Q: What's the relationship between the boiling point and vapor pressure of a solution? a) There's an…

A: Vapour pressure is the measure of tendency of a material to change into vapour state, it increases…

Q: An aqueous NaCl solution is made using 112 g of NaCl diluted to a total solution volume of 1.00 L.…

A: Given:Mass of NaCl = 112 gvolume of  total solution = 1.00 Ldensity = 1.08 g/mLCalculate the…

Q: A solution is prepared at 22°C and its concentration is expressed in three different units: percent…

A: We will write all terms and effect of temperature on them and answer the question.

Q: Identify the colligative property? vapor pressure lowering,freezing point depression,boiling point…

A:

Q: Calculate the molarity of a 23.5 % ethanol (C2H5OH) solution. The density of the solution is 0.7596…

A: Given: % (w/w) of ethanol = 23.5 % And density of solution = 0.7596 g/cm3.

Q: A solution is prepared by dissolving 17.2 g of ethylene glycol (C2H6O2) in 0.500 kg of water. The…

A: Since we only answer up to 3 subparts, we will answer the first 3. Please resubmit the question and…

Q: .Effect of temperature and pressure on solubility.

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

Q: Can you solve this question quickly please? In comparison to a 0.01 m solution of glucose, the…

A: We know that,  ∆Tf = i x Kf x m

Q: 2) What specific feature of chemical substances do we refer to when we say "like dissolves like

A: " like dissolves like " term is used when we want to explain the salvation of the chemical…

Q: MOLALITY, FREEZING POINT DEPRESSION, AND BOILING POINT ELEVATION A glucose solution contains 55.8 g…

A: When a non-volatile solute (glucose) is dissolved in a solvent (water), it tends to alter some of…

Q: Based on the following  - mass of unkown: 3.525 g - mass of test tube: 30.874 g - voulme of…

A: The freezing point of solution is less than the freezing point of pure water as when a non-volatile…

Q: Which of the following concentration measures will change in value as the temperature of a solution…

A: Molarity, mass percent , mole fraction and molality are all ways to represent concentration of a…

Q: A solution is prepared by mixing 5 ml of ethyl alcohol in 100 ml of water. What is the volume…

A: Here we are required to find the volume percentage of ethanol in the solution

Q: The boiling point of an aqueous solution is 102.46 degrees Celcius. What is the freezing point?…

A:

Q: Raoult's Law relates the vapor pressure of the solvent above the solution to its mole fraction in…

A: The correct option is (c)  According to roult's law, a solvent's vapour pressure in a solution is…

Q: Calculate the Osmolarity  5.7 mL of Ethanol (Density of Ethanol=0.789g/mL) in 210.0 mL of solution

A: Osmolarity is basically the sum of Molarity of all species in a solution . But here we have one…

Q: Which of the following units of concentration will change in value for a particular solution if the…

A: "Since you have asked multiple questions, we will solve first question for you (as per our…

Q: Decreasing the molarity (mol/L) of an electrolyte in an aqueous solution will have what effect on…

A: Given that : We have to identify which of the following statement is correct :

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: For a given solution, which of the following concentration values will change as temperature…

A:

Q: HCl (aq) NH3 (aq) Formula Weight (g/mol) 36.465 17.03 Density of Solution (g/mL) 1.19 0.90 Weight %…

A: Given  data for HCl  formula weight (g/mol) = 36.465  density of solution (g/mL) = 1.19 weight % =…

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: The normal freezing point of a certain liquid X is -6.20 °C, but when 7.45 g of benzamide (C,H,NO)…

A:

Q: A solution is made by dissolving 0.563 mol of nonelectrolyte solute in 821 g of benzene. Calculate…

A: