A sample of 1.3 molal aqueous solution of sodium chloride contains 6.4 grams of sodium chloride (NaCl). What mass of water in milligram is present?

Q: Calculate the freezing point and boiling point of a solution containing 10.0 g of naphthalene…

A: Given information: Mass of naphthalene = 10.0 g Volume of benzene = 100.0 mL Density of benzene =…

Q: A solution contains 20.5 g of sodium chloride dissolved in sufficient water to give a total mass of…

A: Molality is represented by ‘m’ and is defined as the number of moles of solute present in 1 kg of…

Q: Normal saline solution that is used to dissolve drugs for intravenous use is 0.92% (m/v) NaCl in…

A: Given data : Volume of normal saline = 35 mL % m/v = 0.92 % The given concentration = 0.92% (m/v)…

Q: An antifungal molecule has a molar mass of 2448 g/mol.  What osmotic pressure would result from a…

A: The relationship between osmotic pressure, P, solute concentration, and temperature for a solution…

Q: A student dissolves 19. g of glucose (CH,20,) in 250. mL of a solvent with a density of 0.84 g/mL.…

A: Mass of glucose = 19 g Volume of solvent = 250 mL Density of solvent = 0.84 g/mL Molarity =?…

Q: Define the term Molality?

A: Molality is one of the many parameters that is used to express concentration of a solution.

Q: How many grams of glucose are present in 250.00 ml of a 10.0% m/v glucose solution?

A: Given : % m/v of glucose = 10.0 % And volume of glucose solution = 250 mL

Q: a solution contains 25.5 of NaCl dissolved in sufficient water to give a total mass of 325.0 g. What…

A: Given Mass of NaCl = 25.5 g Total mass = 325.0 g = 0.325 kg molar mass of NaCl = 58.44 g/mol 1)…

Q: What is the molality of a solution that contains 4.220 grams of potassium sulfate and 250. g of…

A: Given: mass of K2SO4 = 4.220g mass of water = 250 g                       =0.250 Kg We know, Molar…

Q: The mole fraction of CaCl2 in an aqueous solution is 0.0724, what is the % mass of CaCl2 in…

A: Given:: Mole fraction of CaCl2=0.0724  Calculate, % mass of CaCl2= ?

Q: How many grams of potassium chloride must be added to 346 g of water in order to prepare a 0.114 m…

A: Answer : Molality (m):   The number of moles of solute dissolved per 1000 gram (kg) of a solvent .…

Q: In an experiment, a group of students dissolved 4.67 g of toluene in 67.8 g of cyclohexane. What was…

A:

Q: A solution of KClO3 contains 10 grams of solute dissolved in 100 grans of water. At 20 degrees…

A: Solute and solvent together constitute the solution. Solutions are of two types. Homogenous and…

Q: For any given mixture of two miscible liquids, which component of the mixture will be present in the…

A: Certain properties that could relate the vapor pressure of volatile liquids/volatile liquid mixtures…

Q: A student takes 58.6 grams of ethanol and adds 54 grams of water to it.  What is the mole fraction…

A: Given information:Mass of ethanol = 58.6 gMass of water = 54 g

Q: What is the difference between a solution and a colloidal suspension? Give examples of each, and…

A: There are various differences between a solution and a colloidal suspension and due to the below…

Q: 47 g of NH3 are dissolved in 50 g of water at 20 deg C. Is the solution unsaturated or saturated or…

A: In this question, we want to determine Ammonia NH3 Solution is saturated or unsaturated or…

Q: What is the molality of a solution that has been prepared by mixing 54.3 g of sodium chloride with…

A:

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 3.140 molal solution of NaCl is prepared. How many grams of NaCl are present in a sample…

A: molality is mass of solute dissolved in per kg mass of solventmolality = moles/kg of solvent

Q: A 125.0 g of aqueous solution contains 64 g of ethanol. What is the mole fraction of ethanol in the…

A: Mole fraction represents the number of moles of a particular component in a mixture divided by the…

Q: Please help me

A: The number of moles of solute to the weight of the solvent in (kg) is known as molality.

Q: What is the Solubility of Oxygen O2 , in water ( in units of mL/1000g H2O)?

A: Solubility is 27.99 mL/1000g H2O

Q: A 4.10 molal solution of NaOH has a density of 1.21 g/ml. What is the molar concentration of the…

A: The given data is as follows: The molality of NaOH solution = 4.10 molal The density of solution =…

Q: A solution is prepared by dissolving 102 g of NaCl in 924 g water to make a total solution volume of…

A:

Q: a1.5 molal solution of NaCl is prepared. How many grams of NaCl are present in a sample containing…

A:

Q: The mole fraction of potassium nitrate, KNO,, in an aqueous solution is 1.19x102. The percent by…

A: Percent by mass can be calculated as:-

Q: The density of an aqueous solution containing 25.0 percent of ethanol (C2H5OH) by mass is 0.962…

A: Given : Density of solution = 0.962 g/mL And percent by mass of ethanol = 25.0 %. Assuming 1 Kg i.e…

Q: The mole fraction of sodium bromide, NaBr, in an aqueous solution is 7.36×102. The percent by mass…

A: According to the mole concept, in terms of mass, the amount of substance in moles is equal to the…

Q: An aqueous solution of ethanol (molar mass = 46.07 g/mol) has a molality of 12.15 m and a density of…

A: Answer:- This question is answered by using the simple cocept of calculation of molarity using the…

Q: At 20 °C, an aqueous solution of NaCl was prepared by dissolving 11.44 g NaCI (Molar Mass = 58.44)…

A: Molality (m) :-  The number of moles of solute dissolved in one kg (kilogram) of solvent is defined…

Q: When a solute is dissolved in a liquid, the vapor pressure is increased because the surface area…

A: The vapour pressure of solution is defined as the pressure exerted by the vapours in the equilibrium…

Q: Please help

A: The molality (m) of the solution is calculated as shown in equation (1) where m is the magnesium…

Q: how many grams of glucose are needed to prepare 455 ml of a 1.6 (m/v) glucose solution

A:

Q: How many grams of glucose (C6H12O6) must be added to 52.5 grams of water to form a 0.364 m solution?

A: Given,Molality of glucose solution is 0.364mThe mass of glucose needed to be added to 52.5g of water…

Q: 75 g of KCl is dissolved into 500 g of water. What is the freezing point of the solution in units…

A: Given, mass of KCl = 75 g            mass of solvent ( water) = 500 g = 0.500 kg We know that,…

Q: (Q73) A solution vapor pressure (in 55.30 torr. You s

A: Here we have to find the vapor pressure of solution containing 16.9 g MgCl2 and 815.7 g water. The…

Q: The boiling point of an aqueous solution is 101.45 Celsius. What is the freezing point?

A: Given as  the boiling point of an aqueous solution is 101.45 Celsius The freezing  point has to be…

Q: Enter your answer in the provided box. What is the molality of a solution containing A5 g of urea…

A: The solution is given below -

Q: An aqueous solution is 6.00 % by mass hydrochloric acid, HCl, and has a density of 1.03 g/mL. The…

A:

Q: What is the molality of a solution containing 23 mol glucose and 4.7 kg of water?

A:

Q: Calculate the boiling point and freezing point of a solution containing 478 g of ethylene glycol in…

A: Given data: The mass of ethylene glycol (solute)= 478 g. The mass of water (solvent) = 3202 g =…

Q: Question attached

A: Given: The mass of glucose is 80 g. The mass of the solvent is 2Kg. We know that the molecular…

Q: The concentrated sulfuric acid that we use in the laboratory is 98.0% H SO, by mass. Calculate the…

A:

Q: How many moles of solute are present in 75.0 grams of an aqueous solution that is 1.5% sucrose…

A: Mass percent :- The mass of solute present in 100 grams of solution is called as mass percent of…

Q: The mole fraction of ammonium nitrate, NH4NO3, in an aqueous solution is 3.50×102. %. The percent by…

A: Mole fraction :-  The ratio of moles of solute to the total number of moles of solution is called…

Q: A student dissolves 10. g of phenol (C,H;OH) in 175. mL of a solvent with a density of 1.03 g/mL.…

A: 10g phenol is dissolved  The solvent amount is 175 ml The density of the solvent is 1.03g/ml

Q: A solution was made by dissolving 10.000 g of NaCl (58.44 g/mol) in 150. mL (assume 1g/mL) of water.…

A:

Q: A student dissolves 4.8 g of ammonia (NH,) in 350. mL of a solvent with a density of 1.01 g/mL. The…

A: Given,  Mass of NH3 = 4.8 g  Molar mass of NH3 = 17 g/mol  Volume of the solvent = 350 ml = 0.35 L…

Q: How many grams of sodium chloride are contained within a 35.0 gram sample of a 3.00 molal aqueous…

A: Given mass of sample = 35 g molality = 3 molal