A solution is prepared by dissolving 30.0 g of ammonium sulfate, (NH4)2SO4, in 70.0 g of water. The molar mass of ammonium sulfate is 132.1 g/mol. What is the molality (m) of the solution?            (A) 3.24 m           (B) 2.27 m           (C) 5.23 m           (D) 3.00 m

Q: What is the molality of an acetic acid solution containing 0.500 mol ofH C 2 H 3 O 2 in 0.800 kg of…

A: Molality(m): It is defined as " no. of mole of solute present in per kilogram of solvent".

Q: 6. An aqueous solution of a nonelectrolyte boils at 100.82°C. What is the molality of this solution?

A: The liquid boils at 100.82° C.Therefore elevation of boiling point is 100.82° C - 100° C = 0.82° C…

Q: freezing point

A: Moles of NaCl = given mass of NaCl / molar mass of NaCl                           = 21.2 g /…

Q: What is the molarity of a 3.561 molal solution of ammonium sulfate with a density of 1.183 g/mL?

A: Use the relation between molarity and molality to get the answers.

Q: There are solutions of Ba(NO3)2 and A12(SO4)3 with the same molar concentration. Which of the…

A:

Q: 2. What is the molality of a solution containing 0.75 moles of sodium hydraxide in 500 ml of water…

A: A solution is a homogeneous mixture of two or more than two substances. A solution of two substances…

Q: A 10.34 molal aqueous nitric acid solution was prepared. (Density of nitric acid = 1.51 g/mL,…

A: Given,  10.34 molal aqueous nitric acid solution, It means 10.34 moles of HNO3 is present in 1.0 kg…

Q: 3. A solution of 0.85 g of an organic compound in 100.0 g of benzene has a freezing point of 5.16 °…

A: Formula  ∆Tf = i.Kf.m  5.16 = 1 x 5.12 x m m = 1.008 mol/kg  Here m is molality of solution.…

Q: 3) What is the osmotic pressure, II associated with a 50.0 g of an enzyme of molecular mass 98,000…

A: The correct option is b) 3.71torr. Detail calculation is shown below

Q: (Q62) What is the mole fraction of solute in a 0.665 molal aqueous solution of copper (II) sulfate?…

A:

Q: What is the molality of LiCl in a solution that is 9.0% by mass LiCl and has a density of 1.00g/ml?

A: Given; % by mass of LiCl = 9.0% Density = 1.00g/ml Molality of LiCl solution = ? Note:  Molar mass…

Q: 3. Molality How many grams of solute is present in 2.5 moles Magnesium hydroxide, Mg(OH)2 in 669 g…

A:

Q: Calculate the volume of a 2192 mol/L Nacl solution that was prepared by dissolving 2.235 moles of…

A:

Q: The molality of an Al2(CO3)3 solution is 3.4 m. What is the freezing point of the solution? °C What…

A: Concept:  Depression of freezing point: Freezing-point depression is a decrease in the temperature…

Q: An aqueous solution of acetone (MM = 58.08 g/mol) has a molality of 4.45 m and a density of 1.25…

A:

Q: 7) A solution is prepared by dissolving 70.0 g of sucrose, C12H22011, in 220. g of water at 25°C.…

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

Q: irin. Polyté that dissolves in chloroform is culate the vapor pressure of the solution at 25 °C when…

A: Given 8.475g of aspirin is added to 237g of chloroform  Vapour pressure of chloroform is 173.11mmHg…

Q: What is the osmotic pressure, in torr, of a solution formed by dissolving 0.2516 g of ammonium…

A:

Q: When 2.60 g of a substance that contains only indium andchlorine is dissolved in 50.0 g of tin(IV)…

A: Concept introduction: Colligative property  is the property which depend upon the number of moles of…

Q: Match the following aqueous solutions with the appropriate letter from the column on the right.…

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

Q: 2. Calculate the molality of a 35.4 percent (by mass) aqueous solution of phosphoric acid (H3PO4).…

A:

Q: 1. What is the molality of phosphoric acid, H3PO4, in a solution of 14.5 g of H3PO4 in 125 g of…

A: Molality is a measure of the number of moles of solute in a solution corresponding to 1 Kg or 1000 g…

Q: The percent by mass of acetonitrile (MM = 41.05 g/mol) in an aqueous solution is 27.3%. What is the…

A: Given, molar mass of Acetonitrile = 41.05 g/mol Mass % = 27.3 %  Let 100 g sample of this Solution…

Q: Calculate the molality of a 35.4 percent by mass aqueous solution of phosphoric acid (H3PO4).

A: Molality- Molality is defined as number of moles solute present in 1 kg of solvent. It is…

Q: The molality of an Al2(CO3)3 solution is 3.4 m. What is the freezing point of the solution? °C What…

A:

Q: 5. The boiling point of a NaCl solution is 101.04 °C. a. What is the molality (m) of the solute…

A: Given:Boiling point of pure water is 100 oC.Boiling point of NaCl solution is 101.04 oC. Van't Hoff…

Q: When 0.494 g of K3Fe(CN)6 is dissolved in 100.0 g of water,the freezing point is found to be…

A: The number of ions  present in K3Fe(CN)6 has to be given,

Q: What is the molality (m) of 3.5 mol of sugar in 2.5 kg of water?

A: Molality id defined as the number of moles of solute present in 1 Kg  of solvent. It is calculated…

Q: What is the molality of a solution containing 85.3 g of silver perchlorate (A9CIO4) dissolved in 932…

A: Mass of silver perchlorate (AgClO4) = 85.3 gram Molar mass of silver perchlorate = 207.319 g/mol…

Q: 7 b) With the addition of 1.00 kg of antifreeze to a vehicle radiator containing 4450 g of water,…

A: Given data, Mass of antifreeze = 1.00Kg = 1000g Mass of water = 4450 g = 4.450 Kg Temperature change…

Q: What is the molality of a solution made by dissolving 6.80 grams of NH 4CI in 315 grams of water?

A:

Q: A compound of carbon, hydrogen, and oxygen was burned in oxygen, and 1.000 g of the compound…

A: Given, Mass of compound = 0.1107g. Mass of water = 25.0g = 0.025kg. Freezing point of solution =…

Q: The molality of an Al2(CO3)3 solution is 4.6 m. What is the freezing point of the solution? °C What…

A: The freezing point and boiling point of a solution can be calculated as follows

Q: How many grams of glucose (C6H12O6) are needed to prepare 250ml of 0.300 M C6H12O3 solution.

A: The number of moles for a given chemical substance are defined as  the ratio of mass to the molar…

Q: What is the molality of a 0.5000 M solution of sucrose, C12H22O1 in water? the density of the…

A: Molality is moles of solute in 1000 g solvent.  Molarity is  moles of solute in 1000 ml of solution.

Q: 4. What is the Molality of a solution containing 7.78g of Urea [(NH2)2CO2] in 203g water?

A:

Q: A chemist is studying small organic compounds for theirpotential use as an antifreeze. When 0.243 g…

A: a) To solve for the molality of the compound, ∆Tf = Kfmm =∆TfKf=0°C- (-0.201°C)1.86°C/m=0.108 m

Q: 98.08

A: The question is based on the concept of solution preparation . Molality is a way of representing…

Q: You are asked to make a aqueous solution of Calcium Chloride, CaCl2 If you add 1 grams of CaCl2to…

A: Osmotic pressure expression-: π = CRT Here  Pi = osmotic pressure in atm C  = concentration in mol/L…

Q: 4. What is the molality of a 65% by mass of nitric acid (HNO3) solution ?

A:

Q: 3.What is the molality(m) of a solution made from dissolving 179g.of MgCl2 into 1.00L of water?

A: Mass of MgCl2 = 179 g  Volume of water = 1.00 L We need to determine the molality of solution.

Q: 8 points What is the molality of a solution prepared by dissolving 45.38 g of cadmium bromide,…

A: Calculation of molality can be calculated as follows

Q: If 11.2 g of sugar (MM= 342 g/mol) is dissolved in 500 g water at 30 degrees celsiui, a.) what is…

A: Given: Mass of sugar= 11.2g Molar mass of the sugar= 342 g/mol Mass of water= 500g Temperature =…

Q: The freezing point of Arctic Ocean waters is about - 1.94 °C. What is the molality of ions in a…

A:

Q: 14. What is the osmotic pressure of a 0.333 M solution of C6H1206 at 25°C?

A: GivenMolarity of the given glucose solution = 0.333MTemperature = 25°C                     =…

Q: An aqueous solution of acetone (MM = 58.08 g/mol) has a molality of 5.35 m and a density of 1.25…

A: Molality(m):-  The no of moles of solute is present in 1Kg of solvent . m= number of moles of…

Q: calculate the molality. (d) 0.372 g of histamine, C5H9N, in 125 g of chloroform, CHCl3

A: Note - Since the chemical formula given for histamine in the question is incorrect, we will consider…

Q: 2. Calculate the molality of a solution prepared by dissolving 4.75 g of C10H8 (s) in 75.0 mL of CH6…

A: Given that,  Weight of C10H8(s) to be dissolved in C6H6(l) = 4.75 g Moles of C10H8(s) to be…

Q: 7. A concentrated phosphoric acid solution contains 85% by mass of H3PO4. Calculate the molality of…

A: We need to calculate the molality of given phosphoric acid using mass percentage.

Solutions

Solutions can be considered as homogeneous mixtures which contain two or more than two chemical substances. The chemical substance which is the greater part is defined as solvent. And the chemical substance that is dissolved in a solvent is referred to as solute. Solution chemistry plays an important role in chemistry since it supports many commercial applications of solutions.