Given that the solution of NaCl (MM = 58.5 g/mol) in 1 kg water has a molality of 0.5 m, which  of the following can be determined? The mass of NaCl The total mass of the solution The mole fraction of the NaCl in the solution

Q: Calculate the molality of a solution formed by adding 5.70 g NH₂Cl to 18.2 g of water. 4 molality: m…

A: The objective of this question is to calculate the molality of a solution formed by adding 5.70 g of…

Q: An 8.00% by mass solution of NaCl (at 25 °C) has a density of 1.05412 g/mL. What is its molarity and…

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Q: An aqueous solution has a mass percent of solute of 18.4%. The density of the solution is…

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Q: 10. What is the percent by mass of ethanol in a 5.000 m (molal) aqueous solution? The molar mass of…

A: Molality of the ethanol solution = 5.000 mpercent by mass of ethanol = ?molar mass of ethanol =…

Q: A solution of H2SO4with a molal concentration of 8.010 m has a density of 1.354 g/mL. What is the…

A: Please note- As per our company guidelines we are supposed to answer only one question. Kindly…

Q: The density of an aqueous solution containing 15.0 percent ethanol (C₂H5OH) by mass is 0.979. Round…

A: Mass percent = 15.0 % That is 15.0 g of ethanol is present in 100 g of the solution. That is Mass of…

Q: A solution is made using 10.5 percent by mass CH₂Cl₂ in CHCl₃. At 30 °C, the vapor pressure of pure…

A: •Here we have to calculate boiling point of solution. => Given:- 1) Boiling point of pure CHCl3 =…

Q: The percent by mass of acetonitrile (MM = 41.05 g/mol) in an aqueous solution is 11.5%. What is the…

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Q: The molality of ethyl alcohol in a solution of water (H2O, MW = 18.02 g/mol) and ethanol (C2H5OH,…

A: Answer:Mole fraction of a compound in a solution is equal to the ratio of its number of moles and…

Q: A NaOH solution has a molality of 13.3 mol/kg. Find the mole fraction of NaOH in the solution. The…

A: The molality of the solution is = 13.3 mol/kg The molar mass of NaOH is 40.00 g The molar mass of…

Q: A student prepares a solution containing 23.4 grams of sucrose (C12H22O11) in 156 g of water. How…

A: The number of moles of solute present in the one-kilogram solvent is known as the molality of the…

Q: What is the osmotic pressure in atm of a solution prepared from 12.4 g of the electrolyte HCl and…

A: Given : Mass of HCl = 12.4 g Volume of solution = 0.500 L And temperature = 18 oC Since mass of HCl…

Q: In aqueous solution of nickel(II) bromide has a concentration of 0.134 molal. The percent by mass of…

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

Q: A glucose solution contains 53.8 g of glucose (molar mass = 180.18 g/mol) in 455 g of water. Given a…

A: Depression in freezing point is given by the relationship: ∆Tf=Kf.m…

Q: You have a solution which is 44.4% by mass isopropyl alcohol (MM = 60.11 g/mol) in water. The…

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Q: Calculate the osmotic pressure of each of the following aqueous solutions at 20°C and select the…

A: Introduction Osmotic pressure is the pressure created by the movement of a solvent from a region of…

Q: All of the following are added to five different containers of water, each with the same mass of…

A: Which resulting solution would yield the lowest freezing point?

Q: The density of an aqueous solution containing 15.0 percent ethanol (C₂H5OH) by mass is 0.979 Round…

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Q: We have an aqueous solution that is 40.0% C2H6O(aq) by mass (C2H6O is the only solute). The density…

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Q: 1. Fill in the blanks in the table for aqueous solutions of the compounds shown. The density of the…

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Q: Give the number of grams of solutes and the number of grams of water that must be used to prepare…

A: we know that  1 % by mass solution is define as 1 g of solute and make up to  total mass of 100g of…

Q: 5. Consider two solutions: (1) 10 g of glucose (C6H1206) in 1 L of water and (2) 10 g of sucrose…

A: Boiling point is defined as the temperature at which a liquid starts boiling and becomes…

Q: mixed with 125 g of water what is the molality of the solution? 444 m 1.20 m

A: Mass of solute = 55.5 g Molar mass of ethanol = 46 g/mol Moles of ethanol = mass/MM    = 55.5/46 =…

Q: A 1.50 M solution of CaCl 2 (MM=109.9 g/mol)in water has a density of 1.11 g/mL. What is the…

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

Q: An aqueous solution of isopropyl alcohol, C3H8O, rubbing alcohol, has a mole fraction of alcohol…

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Q: The mass percent of decane (MM=142.29 g/mol) in benzene (MM=78.11 g/mol) is 42.23%. What is the mole…

A: Mass percent of decane = 42.23%  If mass of decane = 42.23 g then mass of mixture = 100 g and mass…

Q: Calculate the molality of the following aqueous solutions

A: A)    2.90 Molar solution means  there are 2.90 moles of  NaCl salt in 1 Liter.  Molecular weight of…

Q: An aqueous antifreeze solution is 20.4 % ethylene glycol (C2H6O2) by mass. Find the molality of the…

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Q: Antifreeze is often about 50.% ethylene glycol, C₂H6O2, in water. What is the molality of the…

A: Given -  Ethylene glycol (C2H6O2) is present in water =50%               Molar mass of ethylene…

Q: A 3.03-gram sample of a compound is dissolved in 250. grams of benzene. The freezing point of this…

A: We can use the formula: ΔT = Kf x m where ΔT is the change in freezing point, Kf is the freezing…

Q: 11. Calculate the molality of a solution containing 398 g glucose (C,H12O6) dissolved in 2.00 L of…

A: 11. The mass of solute is = 398 g The volume of the solvent is = 2.00 L The density of the solvent…

Q: 17. NaF (MM = 41.99 g/mol) having a mass of 17.2 g was dissolved in 289 g of chloroform. What is the…

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Q: Ethylene glycol (C₂H₆O₂) is used as an additive to the water in your automobile to lower its…

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Q: A protein solution consisting of 12.3 mg of protein in 5.00 mL of solution has an osmotic pressure…

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Q: A student dissolves 1.3 g of resveratrol (C₁4H₁203) in 275. mL of a solvent with a density of 1.18…

A: Answer: Molar concentration of solution is always equal to the ratio of number of moles and volume…

Q: How many grams of the solute is needed to prepare a 0.5 molal solution of Ba(OH)2 (MW = 171 g/mol)…

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Q: Find the freezing points of the following solutions. (Kf for water is 1.86°C/m) a. 0.35 moles of…

A: We have to ask here to find the freezing point of the given solutions. The answer to this question…

Q: A student dissolves 6.6 g of resveratrol (C₁H,O,) in 300. ml. of a solvent with a density of 1.19…

A: Molarity (M) and molality (m) are very common terms used in chemistry. They are the units of…

Q: molarity molality

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Q: Which of the following solutions will have the lowest freezing point for the same mass of solvent?…

A: Above question is of colligative properties which is base on the relative number of solute…

Q: A solution of 0.690 g of an organic compound in 100.0 g of benzene has a freezing point of 5.248°C.…

A: Freezing point depression = i Kf m where i = 1 for benzene and m is the molalityGiven that,mass of…

Q: Calculate the freezing point of a solution that contains 168.4 g of sucrose (table sugar) in 300. g…

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Q: What is the molality of a solution containing 11.5 g of ethylene glycol dissolved in 145 g of water.…

A: Given, Mass of ethylene glycol (C2H6O2) = 11.5 g Note: 1000 g = 1 Kg Mass of water = 145 g = 0.145…

Q: A 0.32 M aqueous solution of an unknown solute has a density of 1.08 g/mL. The molar mass of the…

A: In the given question we need to convert molarity of the solution to its  molality using the density…