A solution is prepared by mixing 1.25g of ethanol with 100. g of wate. Calculate: a) the percent by mass b) mole fraction c)molality d) molarity of this solution. Assume that the density of the solution is 1.00g/mL

Q: An aqueous KNO3 solution is made using 72.5 g of KNO3 diluted to a total solution volume of 2.00 L.…

A: Given: Mass of KNO3 = 72.5g Volume= 2.00L Density of the solution= 1.05 g/ml To find: molarity,…

Q: Reagent nitric acid is 70.40% HNO3 by mass and its molarity is 16M. Calculate following: a. density…

A: Given :

Q: A solution is prepared by dissolving 825mg of Disodium phosphate (Na2HPO4) with a density of 1.7…

A: Mass of disodium phosphate = 825 mg = 0.825 g  Volume = 450 mL = 450 cm3 (1mL = 1cm3)  Density = 1.7…

Q: An aqueous sodium acetate, NaC,H,O, , solution is made by dissolving 0.345 mol NaC,H,0, in 0.550 kg…

A: Given: Moles of NaC2H3O2 i.e. solute = 0.345 mol. And mass of water i.e. solvent = 0.550 Kg.

Q: A solid mixture contains MgCl2 (molar mass = 95.218 g/mol) and NaCl (molar mass = 58.443 g/mol).…

A: Here we have to determine the mass percentage of MgCl2 present in the solid mixture by osmotic…

Q: Hydrogen peroxide is a powerful oxidizing agent that is used in concentrated solution in rocket…

A: The concentration of the hydrogen peroxide as a percentage by mass = 30% (w/w) This means that, mass…

Q: Hydrochloric acid is sold as a concentrated aqueous solution of HCl with a density of 1.18 g/mL. The…

A:

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

A: Given information is as follows; Vapor pressure of pure pentane = 425 torr Vapor pressure of pure…

Q: If a solution contains 0.817 g naphthalene dissolved in 21.3 g of cyclohexane, calculate the…

A: Given information:   The mass of Naphthalene = 0.817 g   Molar mass of Naphthalene = 128.17 g/mol…

Q: An aqueous solution contains 167 g CuSO4 in 820 mL of solution. The density of the solution is 1.195…

A: Hello. Since the question contains multiple sub-parts, the first three sub-parts shall be solved…

Q: Calculate the molality of solution consisting of 2.522 moles of water and 33.8 moles of ethanol.…

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Q: Vodka is essentially a solution of ethanol in water. Typical vodka is sold as "80 proof," which…

A:

Q: An old sample of concentrated sulfuric acid to be used in the laboratory is approximately 97.4…

A: Given: Percent of H2SO4 = 97.4 %  Density of solution = 1.83 g/mL

Q: Reagent nitric acid is 70.40% HNO3 by mass and its molarity is 16M. Calculate following:  molality…

A: Given,  Molarity of HNO3 = 16 M  Mass percentage of HNO3 = 70.40 %  Calculate the following : a).…

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

A: Given : mass of ethylene glycol = 17.2 g Since molar mass of ethylene glycol = Atomic mass of C X 2…

Q: A solution is prepared by mixing 1.0 grams of benzene (CsHs) in 100 g of water to create a solution…

A:

Q: An aqueous solution contains 0.25 mol of solute and 1.75 mol of solvent. Calculate: A.) The mole…

A: Solution stoichiometry is mainly based on the calculation of moles and volumes. These two values are…

Q: Explain the difference between molarity and molality. Underwhat circumstances would molality be a…

A: Molarity is the representation of the concentration of the solution and is defined as the number of…

Q: An aqueous solution contains 36% HCl by mass. Calculate the molality and mole fraction of the…

A:

Q: A solution is prepared by dissolving 52.3 g cesium chloride in 60.0 g water. The volume of the…

A: Given that : Mass of cesium chloride = 52.3 g Mass of water = 60.0 g = 0.060 kg Volume of the…

Q: A solution is 55.5 % chromium (III) sulfate by mass. The density of this solution is 1.89 g/mL.…

A: Given: Density of solution = 1.89 g/mL. And percent by mass of Chromium (III) sulfate i.e. Cr2(SO4)3…

Q: A solution is prepared by dissolving 20.5g of LiF in 340.00g water. a. What is the concentration of…

A: a) Given, Mass of LiF = 20.5 g Mass of water = 340.00 g Concentration of the solution in (% by mass)…

Q: The percent by mass of acetone (MM = 58.08 g/mol) in an aqueous solution is 34.7%. What is the…

A: Given, Molar mass of the acetone = 58.08 g/mol Percent by mass of acetone in an aqueous solution =…

Q: an aqueous solution of concentrated nitric acid is 70.0% by mass. what is the molality of this…

A: Molality is a property of a solution and is defined as the number of moles of solute per kilogram of…

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…

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Q: Commericial concentrated Hydrochloric acid is 11.8 M HCl and has a density of 1.190 g/mL. Calculate…

A: Given Concentration , Molarity (M) = 11.8 mol/L It means 11.8 moles of solute ( HCl ) present in 1 L…

Q: A 3.5 PERCENT SOLUTION (BY WEIGHT) OF NaOH IN H2O IS PREPARED. A SCIENTIST WANTS TO FIND OUT THE…

A: Colligative properties are the properties which depend on the number of atoms or molecules or ions…

Q: Calculate the molarity of a 6.0 molal H,SO, solution. The molar mass of H,SO, is 98.077 g/mol and…

A:

Q: An old sample of concentrated sulfuric acid to be used in the laboratory is approximately 97.9…

A: Given:97.9 % sulfuric acid acid by massTo determine the molarity and molality of solutionThe density…

Q: A bottle on the stockroom shelf reads 41% sodium hydroxide solution. What is the molality of this…

A:

Q: Which statement is false? The vapor pressure of a solvent over a solution is less than that of pure…

A: a. According  to colligative properties , vapour pressure of a solvent over solution is lesser than…

Q: An aqueous solution of HCl, contains 36%HCl by mass. a) Calculate the mole fraction of HCl in the…

A:

Q: An aqueous solution contains 3.9% NaClNaCl by mass. Calculate the molality of the solution.…

A: Given,  An aqueous solution contains 3.9% NaCl by mass.   Molar mass of NaCl = 58.5 g/mol

Q: An aqueous solution of aluminum acetate has a concentration of 0.389 molal. The percent by mass of…

A: Consider the given information is as follows; Concentration of the solution = 0.389 molal The mass…

Q: The percent by mass of ethanol (MM=46.07g/mol) in an aqueous solution is 12.3%. What is the molality…

A: given,  Mass % = 12.3 % Molar mass of Ethanol = 46.07 g/mol Molality of ethanol solution = ?

Q: An aqueous solution of cobalt(II) nitrate has a concentration of 0.394 molal. The percent by mass…

A: Molality of Co(NO3)2 = 0.394 m Mass % =? Mass % can be calculated by mass of solute divided by total…

Q: An aqueous solution contains 5.8% NaCl by mass. Calculate the molality of the solution

A: Given, an aqueous solution contains 5.8% NaCl by mass. This means that in 100 g of solution has 5.8…

Q: The density of an aqueous solution containing 20.0 percent of ethanol by mass is 0.986 g/mL. (a)…

A:

Q: We have a 1.000 M aqueous solution of C3H8O(aq) (C3H8O is the only solute). The density of this…

A: To solve this problem we have to first find the mass of solution , mass of solvent , mole of solvent…

Q: solution contains 2.12 moles of NaCl dissolved in sufficient water that has 1750grams mass.  What is…

A: Molality is defined as number of moles of solute divide by mass of solvent in kilograms

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: An aqueous solution of ammonium nitrate has a concentration of 0.238 molal. The percent by mass of…

A: Molality (m) is defined as the number of moles of solute dissolved per kilogram of the solvent, i.e.…