A solution is prepared by dissolving 1.22 g of compound in enough water to make up 262 mL in volume. The osmotic pressure of the solution is found to be 30.3 torr at 35.0 °C. Calculate the molar mass of the compound. (A) 44.7 g/mol   (B) 3.88 g/mol   (C) 257 g/mol    (D) 2950 g/mol

Q: Which of the following would exhibit the greatest osmotic pressure? a. pure water b. 0.5 M…

A: Osmotic pressure is basically the minimum extra pressure required to be applied on the solution side…

Q: At 23°C, the osmotic pressure of a cesium nitrate solution is 31 atm. What is the freezing point…

A: Given : Pressure = 31 atm Density = 3.11 g/ml

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: 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: 10. In a study designed to prepare new gasoline-resistant coatings, a polymer chemist dissolves…

A:

Q: An unknown compound (27.40 mg) with antibiotic properties was dissolved in water to make a 100.0 mL…

A: Osmotic pressure is a colligative property π=Osmotic pressure  π= CRT C= molar concertation R=…

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: What is the molality of a solution prepared by dissolving 15.1 g of potassium nitrate in 250. g of…

A:

Q: A particular liquor is 31.5% ethanol (CH,CH,OH) by volume. Calculate the concentration of ethanol in…

A:

Q: The density of a solution of 6.85 g of a specific biomolecule in 100.0 g of water is 1.024 g/mL. At…

A: Given: The osmotic pressure, (π)=4.61atm. The temperature, (T)=20 °C=(273.15+20)=293.15 K. The mass…

Q: A solution of sugar has an osmotic pressure of 4.61 atm at 20 °C. What is the molarity of this…

A:

Q: At 20°C, a 1.33 M aqueous solution of ammonium chloride has a density of 1.0198 g/mL What is the…

A:

Q: The density at 20 ∘C of a 1.645 MM solution of acetic acid in water is 1.0121 g/mL. The molar mass…

A:

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: A solution of 7.50 mg of a small protein in 5.00 mL aqueous solution has an osmotic pressure of…

A: The relation between grams (g) and milligrams (mg) is given below. 1 g = 1000 mg Convert 7.50 mg…

Q: Suppose you take a solution and add more solvent, so thatthe original mass of solvent is doubled.…

A:

Q: Water softeners often replace calcium ions in hard water withsodium ions. Because sodium compounds…

A:

Q: (Q71) The osmotic pressure of a solution containing 20.2 mg of an unknown protein dissolved in 9.63…

A: Given,  Mass of protein, W = 20.2 mg = 0.0202 g  Volume of solution, V = 9.43 ml = 0.00943 L Osmotic…

Q: aqueous solution of acetone (MM = 58.08 g/mol) has a molality of 1.34 m and a density of 1.25 g/mL.…

A: According to question  Molality of Acetone = 1.34m  Density = 1.25g/mL  Molar mass = 58.08g/mol

Q: 205.0 ml of aqeous sample solution contains 132 mg of unknown nonelectrolyte compound. If the…

A: Osmotic pressure: It is defined as the minimum pressure required which needs to be applied to a…

Q: (Q71) The osmotic pressure of a solution containing 36.0 mg of an unknown protein dissolved in 5.84…

A: Given,  Mass of the unknown protein,  W = 36 mg = 0.036 g Volume of the solution,  V = 5.84 ml…

Q: A solution containing 25.0 g of protein per liter has an osmotic pressure of 0.0109 atm at 37°C.…

A: Given :  osmotic pressure = 0.0109atm  temperature = 37°C  amount of protein per liter = 25.0 g  To…

Q: 3) 21.0 g of a nonelectrolyte is dissolved in 0.200 kg of water. The resulting solution freezes at…

A: Answer    Freezing point Tf  = Kf  × molality   Molality  = mass…

Q: #7 #8 6# C. What is the (a) molality, (b) freezing point, and (c) boiling point of a solution…

A: Given information: Mass of ethylene glycol = 100.0 g Mass of water = 150.0 g Mass of glucose = 55.8…

Q: When 2.63 g of a polypeptide is dissolved in 101 mL of water, the resulting solution is found to…

A: Given information:Mass of polypeptide = 2.63 gVolume of water = 101 mLOsmotic pressure = 0.125…

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: Consider the following aqueous solutions:  A. 0.10 M NH4NO3,  B. 0.10 M Fe(NO3)3 C. 0.10 M Ba(NO3)2…

A: Osmosis is the phenomenon of spontaneous flow of the solvent molecule through a semi-permeable…

Q: What is the molarity and molality of concentrated HF if the solution is 48% HF by mass and has a…

A: Given percentage by mass HF = 48℅ density of solution = 1.17 g/ml

Q: Find the molarity and molality of NH, if it is in a solution composed of 30.6 g NH, in 81.3 g of…

A: Given information,    Mass of NH3 = 30.6 g    Mass of water = 81.3 g    Density of solution = 0.982…

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 composed of 3.25 g methanol (CH3OH) and 250 mL of water?

A:

Q: What is the molality of 120 g of NaOH in 1000g of water?

A: Number of moles of NaOH is determined as follows,

Q: What is the osmotic pressure of a solution that contains 25.9 mg of glucose (180.156 g/mol) in 75.0…

A:

Q: An aqueous solution of 1.00 M ammonia (NH3) has a density of 0.900 g/mL. What is its concentration…

A: Aqueous 1 M ammonia solution has a density of 0.9 g/ml. To calculate molality, moles of solute and…

Q: 5. A solution contains 92.2g of methanol, CH3OH, dissolved in sufficient water to give a mass of…

A: First to calculate moles.  Then using density to calculate volume.  Then to calculate molarity.

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

A:

Q: What is the molality of a solution made by dissolving 42.7 grams of CaCI 2 in 695 grams of water?…

A: Given: The mass of CaCl2 dissolved = 42.7 g The mass of water taken = 695 g We have to calculate the…

Q: An aqueous solution of acetone (MM = 58.08 g/mol) has a molality of 1.61 m and a density of 1.25…

A: In this question we have to find out the molarity of acetone by the given data of molality and…

Q: 6. Lysozyme is an enzyme that breaks bacterial cell walls. A solution containing 0.150 g of this…

A: Given Data :  1. Mass = 0.150  2. Osmotic pressure = 0.953 torr         π = 0.953 torr × 0.00316 atm…

Q: A solution is prepared by dissolving 17.75g sulfuric acid, H2SO4, in enough water to make 100.0mL of…

A: First, using given solution volume and its density value the mass of solution is calculated.

Q: One mole of NaCl dissolved in 100 mL of water results in an osmotic pressure of X atm. The osmotic…

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: What is the molality (mol/kg) of a solution prepared by dissolving 34 g of Calcium Chloride (CaCl2)…

A: Given: Weight of solute=34 g. Molecular weight =110.98 g/mol. The volume of solution=250 mL. Formula…

Q: What is the molarity of NaOH in a 3 molal solution given the density is 1.1 g/ml?

A: The molarity of sodium hydroxide in a 3 molal solution can be calculated as3 molal solutions of NaOH…

Q: Enter your answer in the provided box. A 265-mL benzene solution containing 2.95 g of an organic…

A: Given: Volume of solution = 265 mL Convert mL into L as follows. 1 mL = 0.001 L265 mL = 265 ml ×…

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.