6. The molality of an aqueous solution of sugar (CHO:1) is 1.75m. Calculate the mole fractions of sugar and water. 7. An aqueous solution of HCl contains 25% HCI by mass. Calculate the mole fraction of HC and water.

Q: Solution of ethanol in water was found to be 35.9% ethanol by mass. What is the molarity and  mole…

A: We have to predict the Molarity and mole fraction of ethanol.

Q: 198 g of glucose (C6H12O6) is dissolved in 435 mL of water. Determine 1. Percent by mass 2. Mole…

A: Moles of solute (glucose) = given massmolar mass                               =198180…

Q: An aqueous solution is 26.9 % lithium chloride, LiCl, by mass. The density of the solution is 1.127…

A: Assuming we have 100 g of solution Since % by mass is defined as  % by mass = mass of solute X 100 /…

Q: An aqueous solution is 0.120 molal glucose. What is the mole fraction of each component in the…

A: Given  molarity = 0.120m of glucose, C6H12O6 Calculating mole component is as follows

Q: An aqueous sodium acetate, NaC, H,O2, solution is made by dissolving 0.280 mol NaC, H302 in 0.660 kg…

A: Moles of NaC2H3O2 = 0.280 moles Mass of water = 0.660 Kg

Q: The density of an aqueous solution containing 40.0% sulfuric acid (H2SO4) by mole is 1.681 g/mL. a)…

A: Given :-  Mass percent of H2SO4 = 40.0%  Density of aqueous H2SO4 solution = 1.681 g/mL  Molality =…

Q: The normal boiling point of methanol is 64.7°C. A solution containing a nonvolatile solute dissolved…

A: Interpretation- To determine the mole fraction of the methanol when the normal boiling point of…

Q: An aqueous antifreeze solution is 37.4% ethylene glycol (C₂H5O₂) by mass. The density of the…

A:

Q: Concentrated hydrochloric acid is 11.8 M HCl and has a density of 1.190 g/mL. Calculate the mass %,…

A: Given,  Molarity of HCl = 11.8 M Density = 1.190 g

Q: A 13.0% solution of K2CO3 by mass has a density of 1.09 g/cm3. Calculate the molality of the…

A:

Q: Consider naphthalene, C10H8. A solution of naphthalene is prepared by mixing 25.0g of naphthalene…

A: The molality of the solution is calculated as follows:

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

A:

Q: An aqueous solution contains 5% NACl by mass. Calculate the molality and mole fraction.

A: Interpretation -  To determine the molality and mole fraction of an aqueous solution contains 5%…

Q: The mole fraction of silver nitrate, AgNO3, in an aqueous solution is 1.83×10². %. The percent by…

A: Given that mole fraction of silver nitrate is 1.83×10-2. The mass percent can be obtained by simply…

Q: Consider a sealed solution of dichloromethane (vapor pressure = 353 mmHg at 20 °C) and chloroform…

A:

Q: 10 grams of a non volatile and non dissociating solute is dissolved in 200 g of Benzene the…

A:

Q: a sulfuric acid solution has a density of 1.85 g/cc. calculate the molality and normality of 2 liter…

A:

Q: A solution is prepared by mixing 100.0 mL of toluene with 300.0 mL of benzene. The densities of…

A: We will calculate the mass percent, mole fraction, molarity and molality step by step. The formulas…

Q: Calculate the mole fraction (of each component) of a solution prepared by dissolving 125 mL of pure…

A: It is defined as the number of moles of the solute to the total number of moles. mole fraction= no.…

Q: A solution is prepared by dissolving 4.00 g of NaOH in 100.00 g of water. The volume of the…

A: Given data  mass of NaOH added = 4.00 g mass of water used = 100.00 g Volume of solution = 102.00 mL…

Q: A certain liquid (A) has a normal boiling point of 127.80°C and a boiling point elevation constant…

A:

Q: A 0.350M solution of Lactose, C12H22O11 in water has a density of 1.0532 g/mL at 22oC. What is the…

A:

Q: An aqueous solution is 12.0 % by mass ammonia, NH3, and has a density of 0.950 g/mL. The mole…

A: The aqueous solution only has ammonia and water in it. Assume a total mass of 100 g Meaning mass of…

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: g of fructose (180.16 g/mol) are dissolved in 32.2 g of water (d = 1.00 g/mL, 18.02 g/mol). What…

A: Mole fraction is equal to moles of component divide by total moles of solution

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: Calculate the molarity and molality of an NH3 solution made up of 25.0 g of NH3 in 55.0 g of water.…

A: Answers are explained below. Calculation for the molarity of the solution is as follows:

Q: Calculate the molality of a 42.3 percent (by mass) aqueous solution of sodium chloride.

A: Percent by mass means mass of solute in 100 g solvent.

Q: Define the term molarity,molality, formality and normality?

A:

Q: Calculate the following concentrations for a solution of 0.800 g of calcium chloride, Cacl2, in…

A: Weight of CaCl2 = 0.800g Weight of water = 100g Density of solution = 1 g/ml So,  Molarity = n/V(l)…

Q: 4. An aqueous solution contains 5.0% NaCl by mass. Calculate the molality and mole fraction of the…

A:

Q: The density of an aqueous solution  containing 10%(w/w) of ethanol is 0.985g/ml. Calculate the…

A: Given, Density of ethanol solution = 0.985 g/mL % of ethanol in the solution = 10 % (w/w)

Q: Calculate the molality of a 2.92 M potassium nitrate solution in which methanol, not water, is the…

A: To solve this problem we have to calculate the mass of solvent and number of moles of Solute .

Q: An aqueous potassium chloride, KCl, solution is made by dissolving 0.305 mol KCl in 575.0 g of…

A:

Q: A nonvolatile solute is dissolved in benzene so that it has a mole fraction of 0.141. What is the…

A: Given data, P° of benzene is 26.5 torr=0.03486 atm Mole fraction of benzene is 0.141

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

A:

Q: The normal boiling point of methanol is 64.7°C. A solution containing a nonvolatile solute dissolved…

A:

Q: For a 1 M solution of NaCl calculate molality and mole fractions The density of the solution is…

A: Given : concentration of NaCl = 1 M And density of solution = 1.0 g/mL Assuming 1 L of solution i.e…

Q: An aqueous solution is 26.1 % lithium chloride, LICI, by mass. The density of the solution is 1.127…

A: The molality, mole fraction and the molarity are to be determined for an aqueous solution containing…

Q: Calculate the grams of methanol (CH3OH) in a 15 molal solution where the solvent is 50 grams of…

A: Molality is defined as number of moles of solute present in 1 kg salvent.This means- Molarity=…

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: The molal concentration of a solution made by dissolving 3.5 g of CaCl2 (110.98 g/mol) in 353 g of…

A: Given :- mass of CaCl2 = 3.5 g  Mass of water = 353 g  To calculate :- molality of molal…

Q: What mass (g) of sodium nitrate must be added to 500 ml of water to prepare a solution that is…

A:

Q: An aqueous solution contains 5.0% NaCl by mass. Calculate the molality and mole fraction of the…

A: 5%  NaCl by mass means 5 g of solute is dissolved in 100 g of solution. Mass of solute (NaCl) = 5g…

Q: An aqueous solution is 6.00 % by mass ethanol, CH3CH2OH, and has a density of 0.988 g/mL. The mole…

A: We have to calculate mole fraction of ethanol .

Q: A bottle of wine contains 12.5% ethanol by volume. The density of ethanol (C2H5OH) is 0.789 g/cm3.…

A: Given  a bottle of wine contains 12.5 % ethanol by volume volume of wine bottle = 100 ml = 100 cm3…

Q: Commercial concentrated Hydrochloric acid is 11.8 M HCl and has a density Of 1.190 g / mL .…

A: Given data: Molarity of HCl = 11.8 M Density of HCl = 1.190 g/mL Formula used:           Mass%=Mass…

Q: Concentrated aqueous ammonia contains 1.06 mol dissolved in 2.44 mol H2O. What is the mole fraction…

A: Given, Moles of ammonia (nNH3) = 1.06 mol Moles of water (nH2O) = 2.44 mol Mole fraction Ammonia…

Q: b) List the following solutions in order of decreasing freezing point: 0.04 molal glycerol (C3H8O3);…

A: b) Given: Molality of C3H8O3 = 0.04 m Molality of KBr = 0.025 m And molality of C6H5OH = 0.030 m