15. A solution that is 33.6 % by mass of phenol (CH OH) in water is prepared. What is the mole fraction of the phenol?

Q: What is the mass percent of KOH in a solution which contains 30.0g of KOH and 170g of water?

A: Given the mass of KOH =30.0 grammass of water =170 gramwe are asked to calculate the mass percent of…

Q: How many grams of iron(II) acetate are in 19.89 g of a 2.49 % by mass iron(III) acetate solution?

A: Given data :  Mass of iron acetate = 19.89 g  Mass percent =2.49%  Formula used :  Mass percent =…

Q: You have a solution which is 43.9% by mass isopropyl alcohol (MM = 60.11 g/mol) in water. The…

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Q: A solution is prepared by dissolving 54.0 grams of ethylene glycol (C2H6O2) in 245 grams water. What…

A: The mass % of ethylene glycol solution is calculated as shown in equation (1) where m1 and m­2 are…

Q: A solution was made by dissolving 8.01 g sodium chloride (NaCl) in 46.5 g water (H2O). What is the…

A: Given: Mass of sodium chloride (NaCl)=8.01 g Mass of water (H2O)=46.5 g The molar mass of sodium…

Q: What is the Molarity of a solution of NaCl in water, if the mole fraction of NaCl is 0.111? The…

A: Given,mole fraction of NaCl = 0.111density of the solution = 1.19 g/mL

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

A: Number of moles of sulfuric acid = given mass / molar mass =17.75 g / 98.079 g/mole = 0.18 mole

Q: Determine the amount in grams of KCl

A: % w/w = (mass of solute/mass of solution) x 100  % w/w = percent by mass

Q: A solution contains a solute with molar mass 94.5 g/mol. The solution is 1.77m and 1.70 M. Calculate…

A: The solution's density gives an idea of how much mass is present per 1000 mL of that solution. A…

Q: The mole fraction of manganese(II) bromide, MnBr₂, in an aqueous solution is 3.27×10-². The percent…

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Q: This figure shows the solubility of gases in water at the same temperature. Use the figure to answer…

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Q: In a 71.0-g aqueous solution of methanol, CH,0, the mole fraction of methanol is 0.220. What is the…

A: Mass of Aqueous Methanol solution = 71 g Mole fraction of methanol = 0.220 Molar mass of methanol =…

Q: What sequence of reactions is needed to carry our the following synthesis? Br Br 1) t-BUOK, 2) HBr…

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Q: What volume of water is required to make up 250ml of 0.5 NAcl solution by dilution of a 10.OM Nacl…

A: Since the process is dilution. Hence only water is being added to 10.0 M NaCl solution. Hence moles…

Q: n aqueous solution of concentrated nitric acid (HNO3) is 70.0% by mass. What is 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: 1. Which of the following solutions has the lowest freezing point? a. 0.1 M glucose b. 0.05M NaOH…

A: Colligative property of a solution is directly proportional to the product of von't hoff factor i…

Q: A solution is made by dissolving 0.100 mol of NaCl in 6.85 mol of water. What is the mass percent of…

A: Given is  0.100 mol of NaCl and 6.85 mol of water. We need to find mass percent of NaCl. We know…

Q: Thyroxine, an important hormone that controls the rate of metabolism in the body, can be isolated…

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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: What is the mole fraction of CaBr2 in a 20%(by mass) aqueous solution?

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Q: How many moles of NaF are in 35.8 grams of a  48.5% by mass NaF solution?

A: The mass of solute in gram present in 100 g solution is known as the mass percent concentration of a…

Q: In a 55.0-g55.0-g aqueous solution of methanol, CH4O,CH4O, the mole fraction of methanol is…

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Q: the density of a 3.539 M HNO3 aqueous solution is 1.150 g x mL-1 at 20 Degrees C. What is the molar…

A: Given Molarity = 3.539 M Density = 1.15 g/ml

Q: An aqueous solution containing 17.5 g of an unknown molecular (nonelectrolyte) compound in 100.0 g…

A: Given: Mass of compound = 17.5 g. Mass of water i.e. solvent = 100.0 g = 0.100 Kg…

Q: An aqueous solution is 3.50 % by mass potassium bromide, KBr, and has a density of 1.02 g/mL. The…

A: % By mass = 100 x Mass of solute/Mass of solutionNumber of mol = Mass/molar massMole fraction of…

Q: An aqueous solution contains 0.180 g of an unknown, non ionic solute in 50.0 g of water. The…

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Q: A solution is formed by adding 29.8 g of ammonium nitrate (NH4NO3) to 288 g of water. What is the…

A: Given mass of ammonium nitrate (solute) = 29.8g mass of water (solvent) = 288 g

Q: Grams of TyR in 33.0 g of solution that has 25% TyR by mass

A: Percentage by mass of the solute in the mixture can be expressed as the ratio of mass of solute to…