Calculate the molarity (M), molality (m), mole fractions of both NaCl & water, and the % by mass.

Q: Which of the following statement/s is/are true regarding molarity and molality? Thenumber of…

A: The solution is given below -

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 lattice energy (U) for MgCl2 is -2540 kJ/mol and the enthalpy of hydration for Mg2+ is -1903 kj/…

A: The enthalpy of solution (ΔHsol) can be calculated using the lattice energy and the enthalpy of…

Q: An aqueous solution is prepared by diluting 3.30 mL acetone (CH,COCH,) with water to a final volume…

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Q: 1. What is the concentration of a solution of sodium carbonate containing 26.5 g of solute in 500 ml…

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Q: What is the mass percent of NaCl when 5.00 g of NaCl is dissolved in 95.0g of water?

A: Mass percent is one of the methods to express the concentration of a solution . It is calculated by…

Q: A solution that contains 16.6 g of a covalent compound dissolved in 500. g of benzene freezes at…

A: Given,           Weight of the covalent compound (W2) = 16.6 g           Weight of the solvent…

Q: Calculate the molality of a solution formed by adding 8.70 g NH,Cl to 17.2 g of water. molality: m…

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Q: Hydrochloric acid is usually obtained as a 36% hydrochloric acid solution. If it is 13.42 M, what is…

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Q: 4. Determine the % by mass of the solute, mole fraction molarity and molality if 106.50 g Sodium…

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Q: A solution of a nonelectrolyte solution contains 39.0 g of solute dissolved in 242.0 g of water. The…

A: The ratio of moles of solute to the mass of solvent in kg is known as molarity.

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: An aqueous solution is 8.50 % ammonium chloride, NH4Cl, by The density of the solution is 1.024…

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Q: A solution of a nonelectrolyte solution contains 39.0 g of solute dissolved in 242.0 g of water. The…

A: Given, The freezing point of the pure water, (T0f)=0.0 0C. The given mass of water, (Wa)=242 g=0.242…

Q: A solution is prepared by dissolving 50.0 g of cesium chloride (CsCl) in 50.0 g of water.  The…

A: here the question given find out the concentration terms:-

Q: %m/v to molarity Units of Molarity for 30.0 g NaCl(3.00%NaCl) in enough water to make 1000.0mL…

A: moles of NaCl= 30/58.5                         =0.51 moles

Q: Calculate the molality of a solution formed by adding 7.10 g NH,Cl to 16.1 g of water. molality: m…

A: Given: Mass of NH4Cl = 7.10 g. And mass of water i.e. solvent = 16.1 g = 0.0161 Kg…

Q: A solution contains 6.75 x 10-2 g of a compound in 8.35 g of ethanol. The molality of the solution…

A: Molality (m) of a solution is defined as the number of moles of solute per kg of the solvent. Thus,…

Q: 4. A solution is prepared by mixing 1 gof ethanol (C,H&O) with 100 g water to give a final volume of…

A:

Q: What is the molarity and molality of concentrated HF if the solution is 48% HF by mass and has a…

A: Given percentage by mass HF = 48℅ density of solution = 1.17 g/ml

Q: Find the molarity and molality of NH, if it is in a solution composed of 30.6 g NH, in 81.3 g of…

A: Given information,    Mass of NH3 = 30.6 g    Mass of water = 81.3 g    Density of solution = 0.982…

Q: 1. A 0.735 g of a covalent organic compound is dissolved in 15.00 g cyclohexane (freezing point =…

A: The depression in freezing point  is given by,                                       ΔTf = mKf…

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: Determine the molality and molarity of a solution prepared by dissolving 75.0g Ba(NO3)2(s) in to…

A: GivenMass of Ba(NO3)2 = 75.0 gMass of water = 374 g

Q: f you have 6.5 g of sodium chloride (MM = 58.44 g mol-1 ) dissolved in 250 mL of solution, what is…

A: Molarity is defined as the ratio of the number of moles of solute to the volume of the solution in…

Q: What volume of ethylene glycol (), a nonelectrolyte, must be added to 17.0 L water to produce an…

A: Let's apply the formula for Depression of freezing point of a solution- ΔT = Kf . m . i Where, ΔT =…

Q: Reagent nitric acid is 70.40% HNO 3 by mass and its molarity is 16M. Calculate following: a)…

A: Given information: Percentage by mass of HNO3 = 70.40 % Molarity of HNO3 = 16 M No. of moles of HNO3…

Q: molality of solute(carbonic acid) in a 1.13 M aqueous solution, with water as the solvent (use…

A: molarity and molality are ways to represent the concentration of the solution

Q: An aqueous solution of a certain covalent compound has a density of 1.058 g/mL, an osmotic pressure…

A: The given data contains, density of a solution d =1.058 g/mlOsmotic pressure of solution π=25.98…

Q: A solution is prepared by dissolving 10.2 g of glucose, CoH12O6, in 405 g of water. The final volume…

A: 3. Molality is defined as the number of moles of solute per unit mass of the solvent. Also, number…

Q: How many moles of C,H,O were dissolved into 91.340 g of ethylene glycol, if the freezing point of…

A:

Q: Calculate the molality of a solution formed by adding 9.10 g NH,Cl to 16.0 g of water.

A: Given: Mass of NH4Cl = 9.10 g Mass of water = 16.0 g Standard data: The molar mass of NH4Cl =…

Q: We mixed some ethylene glycol with 346 g water to reduce the equilibrium vapor pressure of water…

A: According to the question, The vapor pressure of the pure solvent is given by = Po = 23.76 Hg =…