9 aM II. Freezing point of a pure solid. SqH Data Table rio 1. mass of pure naphthalene llic00, nioM am 3 2. Freezing (melting ) point of naphthalene bo III. Molecular weight by freezing point depression. et hrs & #27 Data Table 1. mass of unknown 70.30 2. Freezing (melting) point of solution Calculation (Carry out to proper number of significant digits.) 1. AT (difference in freezing points of pure naphthalene and solution) O.3-163= 4 AT K АTЕК 2. molecular weight of unknown solute 7'C Salatt

Q: The solubility of AgBrO, in water at 25 °C is measured to be 1.7 Use this information to calculate…

A:

Q: A 100 mL solution was prepared by dissolving 10.00 g of Cas04 (MW= 136. 14 g/mol) in water. The…

A: Colligative properties are those properties which depend upon the number of solute particles.…

Q: Wt of precipitate (Silver chloride) MW of silver nitrate MW of silver chloride Meg silver nitrate…

A: Given : Wt of precipitate (Silver chloride) = 0.750g Normality of silver nitrate = 0.105N  MW of…

Q: Kb (°C/m) of water Boiling Point of Water, °C SOLVENT 0.5121 100.0 100.0 g water Mass / Added…

A: The data given is,

Q: Find (i) the boiling point and (ii) the freezing point of a solution containing 0-52 g glucose…

A: The boiling point of a solution is the temperature at which liquid form transforms itself into vapor…

Q: . Suppose each pair below is mixed well. What comes out as the simplest example of liquid mixing? A.…

A: (A) 12 M sulfuric acid solution and 12 M sodium hydroxide solution -  We know that sulfuric acid is…

Q: II. Freezing point of a pure solid. Data Table. 1. mass of pure naphthaleneo nili13119 9.574g. anoli…

A: Given: Mass of pure napthalene=9.579 g Freezing point of napthalene=78.6°C Mass of unknown=1.554 g…

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: You were tasked explore the different colligative properties of solution in your Chem 16.1 Lab…

A: The depression in freezing point of a solution is calculated as,…

Q: 0.001 percent (v/v) ethanol solution is considered   Choices: saturated supersaturated concentrated…

A: Given: Volume by volume percentage of ethanol solution=0.001 % This has to be selected if it is a…

Q: Data was collected to determine the molar mass of a nonvolatile solid solute when dissolved in…

A: Given  Mass of cyclohexane=10.14 g Mass of solute=0.255g Freezing point change     3.04 oC

Q: A solution of NaNO3 contains 120 grams of solute dissolved in 100 grams of water. At 50°C this…

A: From the graph ,   Solubility of NaNO3 at 50°C = 113 g/100 g water (less than 120 g) If the amount…

Q: Test Tube Solute Mass of Deionized Water (g) Mass of solute (g) Freezing Point (C) 1 None 4.140g X…

A: The data given is, Test Tube Solute Mass of Deionized Water (g) Mass of solute (g) Freezing Point…

Q: Use the water b.p.–elevation constant Kb(H2O) = 0.512 °C÷(mol solute/kg solvent) to find the boiling…

A: Given: Mass of K2S = 45.2 g Mass of water = 265 g = 0.265 Kg…

Q: 17. Compute for the boiling point of the solution at 20°C. A - 100.08°C B - 103.25°C C-100.81°C 18.…

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

Q: If the freezing point depression constant of the pure solvent is 8.08 ºC·kg solvent/mol solute,…

A: The depression in freezing point (ΔTf) of the solvent is calculated as follows:

Q: A. FREEZING POINT DEPRESSION Kf (*C/m) of water 1.86 Freezing Point of Water, 0.00 °C SOLVENT 100.0…

A:

Q: A solution is made by mixing 50. g of acetone (CН), СО) and 25. g of methanol (CH,он). Calculate the…

A: Given :-  Amount of acetone = 50. g  Amount of methanol = 25. g  To be calculated :-  Mole fraction…

Q: ieous ethanol solutions are prepared by mixing measured weights of assayed ethanol and organic-free…

A: To Solve this problem first we have to calculate the number of moles of ethanol then we will…

Q: Prepare 0.1N H2SO4 solution of 250ml volume. (Density of H2SO4 is 1.84 and purity is 98 %)

A: We are givenH2SO4 purity=98% i.e in 100 gm of solution H2SO4 present =98 gm

Q: Sove for the (F) freezing point of urea and (G) Percent Error. Given: A. Weight of urea = 2g B.…

A: The depression in freezing point used to calculate is, ∆Tf=-Kfm∆Tf→freezing point depresssion…

Q: SOLVENT BOILING POINT Kb FREEZING POINT Kr Water 100.00 °C 0.52 °C/m 0.000 °C 1.86 °C/m Benzene…

A: The freezing point depression equation is represented as follows,

Q: To determine the freezing point depression of a LICI solution, Toni adds 0.378 g of LiCI to the…

A: ∆Tf = i × Kf × m Where ; ∆Tf = depression in freezing point  i = van't Hoff factor  ( For LiCl , i =…

Q: A CHM 126 student followed a modified procedure similar to the one described in the "Determination…

A: Given Mass of the solvent, freezing point of pure solvent and solution, freezing point depression…

Q: An automobile antifreeze mixture is made by mixing equal volumes of ethylene glycol (SG= 1.114; MW =…

A: Consider the volume as 50.0 mL. The mass of ethylene glycol is calculated as, Mass=50.0 mL1.114…

Q: Q2. 1000 lb of 10% NaOH solution at100°F is to be fortified to 30% NAOH by adding 73% NaOH at 200°F.…

A: A solution is a homogeneous mixture of two or more components in a solvent. Sodium hydroxide…

Q: Concentrated phosphoric acid as sold for use in the laboratory is usually 90% H3PO4 by mass (the…

A: Molarity is defined as the number of moles of solute dissolved in per litre of the solution.  It is…

Q: Materials Needed semi-micro test tubes and rack solid I2 regular test tubes and rack squash pipettes…

A: The rule odf solubility is 'like dissolves like' whuch means that polar solute will be dissolved in…

Q: What mass of cesium chloride must be added to 0.500L of water to produce a 0.40m solution? What are…

A:

Q: -1 A certain liquid X has a normal freezing point of 5.40 °C and a freezing point depression…

A: Formula used :-  ∆Tf = Kf m  Where  ∆Tf = change in freezing point         = T0 f - Tf  Where T0 f =…

Q: A certain substance X has a normal freezing point of 4.1 °C and a molal freezing point depression…

A: Given, Freezing point of X solvent (Tf(X solvent)) = 4.1°C Freezing point of solution (Tf(solution))…

Q: With this in mind, lets calculate the amount of depression that will occur when 5 g of sodium…

A:

Q: Why is potassium hydrogen phthalate (KHP) used to standardize the NaOH solution instead of measuring…

A: Given:

Q: A 6.00 M stock solution of potassium permanganate is diluted successively by first diluting 5.00 mL…

A:

Q: Find the boiling point of a solution that is made from mixing 6.50 g of vanilin (MW= 153 g/mol) in…

A: Given data contains, Grams of vanilin (solute) is 6.50 g. Mass of solvent is 60.0 g. Boiling point…

Q: A student dissolves 14.52 grams of aspirin, C9H8O4 (180.1 g/mol), in 156.5 grams of diethyl ether.…

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

Q: show the complete solution and express the final answer with significant figures A. FREEZING POINT…

A: A. Depression in Freezing point can be calculated as follows: where ΔTf: Depression in freezing…

Q: Assuming 100% dissociation, calculate the freezing point (T;) and boiling point (Tp) of 1.16 m…

A:

Q: Q) A student misreads the directions and adds 4.0 g of benzoic acid instead of 0.4 g. What do you…

A: Given that the student adds 4.0 g of the solute, benzoic acid instead of 0.4 g  Mass of the solute,…

Q: Compute for the % mass or weight salt solution by mixing 622g of NaCl with 1.86 liters of H20.

A:

Q: Answers should be in 4th decimal places An automobile antifreeze mixture is made by mixing equal…

A: Given data: Density of mixture = 1.070 g/mL Density of ethylene glycol = 1.114 g/mL Molecular weight…

Q: What will be the new boilng point of 491ml  benzene (Kb = 2.53 oC•Kg/mol; Bp = 80.1oC) when mixed…

A:

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: Table 10.4 (data)     B. Freezing-Point Depression Sodium Chloride Solute Ethylene Glycol Solute…

A: For sodium chloride solute,

Q: What is the freezing point of radiator fluid that is 60% antifreeze by mass?Kf for water is 1.96…

A: 60% antifreeze by mass means 60 g antifreeze is present in 100 g of water.Ethylene glycol is used as…

Q: An 12% strength bleach solution is created, when 4L of water is evaporated away from a 8% bleach…

A: Initial strength of bleach = 8%  Final strength of bleach is 12% after evaporated 4 L of water from…

Q: Determine the appropriate quantity (in terms of volume) of 50 wt.% NaOH solution (Specific gravity:…

A: The question is based on the concept of mass percentage.   amount of substance present in hundred…

Q: Part II. Determination of molecular weight for ethyl alcohol Freezing point, °C DTf   Mass of…

A: Given Data: The mass of solvent is 0.1 kg. The mass of solute is 6.202.g.

Q: 279.28 mL of 1.22 M organic salt was mixed with 168.14 mL of Ethanol (d= 0.789 g/mL, MW…

A:

Q: A solution consists of 5.00% cortisone, C21H28O5, and 95.00% acetic acid by mass. Calculate the…

A: Using the depression in freezing point equation, freezing point of solution can be calculated.