An aqueous CaCl2 solution has a vapor pressure of 81.6 mmHg at 50 °C. The vapor pressure of pure water at this temperature is 92.6 mmHg. What is the concentration of CaCl2 in mass percent? (Assume complete dissociation of the solute.)

Q: Calculate the molality of a sulfuric acid solution (density = 1.230 g/mL) whose concentration is…

A: molarity is defined as defined as no of moles of solute devided by volume of solution in liter.

Q: 2- A bottle of medicine contains 12.5% ethanol by volume. The density of ethanol (C2H3OH) is 0.789…

A: In order to calculate the concentration of the ethanol in terms of mass percent and molality we…

Q: A solution of phosphoric acid, H3PO4, was made by dissolving 10.0 g of the acid in 100.0 ml of…

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Q: Calculate the freezing point of a 1.86 M solution of MgCl2 in water. MgCl2 is a strong electrolyte

A: Applying concept of dipression in freezing point. ∆Tf= i×Kf× m

Q: Two beakers are placed in a small closed container at 25 °C. One contains 226 mL of a 0.255 M…

A: The objective of the question is to calculate the final volume and the concentration.

Q: Calculate the mass percent of a NaClNaCl solution in which 108 gg of NaClNaCl is dissolved in 4.72…

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Q: A solution was prepared by dissolving solute T in 115 g benzene. The freezing point of this solution…

A: Depression in freezing point is equal to that product of molal depression constant and molality of…

Q: A 200.0 mL mini-can of a soft drink contains 22.5 grams of sucrose, C12H22O11. Calculate the…

A: Volume of solution = 200 mL  Given mass of sucrose = 22.5 g  We know that :-    Molarity = (Given…

Q: ensity of 3M solution of NaCl is 1. 25 g/ mL. Calculate the volume of water required to make 1000 mL…

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Q: What mass (in grams) of potassium hydrogen phthalate (KHP) would you need to make 250.0 mL of a…

A: Molarity :- It is the number of moles of the solute dissolved per liter of the solution. It is…

Q: Given a 3.59 M solution of magnesium nitrate, Mg(NO3)2, whose density is 1.2 g/ml, determine its…

A: Molarity = moles/ volume in L Molality = moles / mass of solvent on kg

Q: A solution was prepared by dissolving solute T in 115 g benzene. The freezing point of this solution…

A: Depression in freezing point is given by the expression:ΔT = Kf x m…

Q: Calculate the molarity of a 40.0% acetic acid (C₂H₄O₂) solution. The density of the solution is…

A:

Q: Express the concentration of a 0.0240 M aqueous solution of fluoride, F¯, in mass percentage and in…

A: Use the formulae given below. mass percentage =mass of the F-mass of the solution×100 ppm =mass of…

Q: Calculate the molality of a solution containing 635 mg of Calcium nitrate dissolved in 5.50 mL of…

A:

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

A: mass of sulfuric acid, H2SO4 = 17.75 gNote: molar mass of sulfuric acid, H2SO4 = 98.079 g/molThe…

Q: Calculate the molarity of a phosphoric acid (H3PO4) solution that is 84% by mass phosphoric acid and…

A:

Q: A 1.00 % by mass solution of lactose (C12H22011, 342.30 g/mol) in water has a density of 1.0602 g/mL…

A: Given, density of Solution = 1.0602 g/mL Mass % lactose = 1.00 %  Molar mass of lactose = 342.30…

Q: A solution was prepared by dissolving solute T in 120 g benzene. The freezing point of this solution…

A: Given : Mass of solvent i.e benzene = 120 g = 0.120 Kg                                     (since 1…

Q: An aqueous solution has 0.0065 g of oxygen dissolved in 2.5 L  of water. Calculate the dissolved…

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Q: Two beakers are placed in a small closed container at 25 °C. One contains 256 mL of a 0.273 M…

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Q: An aqueous solution is 20.0% by mass of sodium thiosulfate pentahydrate, Na, S2 O3-5H2O. What is the…

A: Since you have posted multiple questions, we are entitled to answer the first only.

Q: An ethylene glycol solution contains 27.8 g of ethylene glycol (CH,O2) in 79.2 mL of water (density…

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Q: Rubbing alcohol contains 18 g isopropanol (C3H7OH) in 2 liter of aqueous solutions. Calculate the…

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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: molarity

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Q: The solubility of solid X is given below. What is the maximum percent recovery if a student wanted…

A: NOTE: Assuming that the initial temperature is 100 oC and the final temperature is 0 oC as per the…

Q: At 70 °C, the solubility of an unknown solute is 65.7 g/100.0 g of water. What mass of the solute…

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Q: In which of the following aqueous solutions would the generic salt AB(Ksp= 6.3*10^-6) have the…

A: Solubility of salt can be determined using Ksp value of salt.

Q: Calculate the molarity of potassium sulfate in a solution made by dissolving 39.5 g of K2SO4 in…

A: Step 1: Step 2: Step 3: Step 4:

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: A 2.65% by mass solution of ZnCl2 dissolved in water contains 16.0g of ZnCl2. Calculate the mass of…

A: Since the mass % is given by  % by mass = mass of solute X 100 / mass of solution

Q: An aqueous solution has gram of 02 dissolved in 1 kg of water. Calculate the dissolved oxygen…

A: Given :  Mass of oxygen = 1 gram  Mass of water = 1 Kg = 1000 gm  Since mass of oxygen is very less…

Q: 12. Balance the redox event below in acid solution by separating the overall process into half…

A: As per our guidelines, we can only solve first question. Please resubmit other questions as next…

Q: molar concentration

A:

Q: A solution is prepared by adding 62 g Pb(NO3)2 to 100 g water at 20 °C. Is the solution saturated,…

A: Step 1:Solubility of the solute can be described using the solubility curve as shown in the…

Q: Which of the following phrases best describes the term solubility?             the ability of a…

A: Solubility is Solute dissolve in solvent at a temperature

Q: The density of an aqueous solution that is 13.2% by mass of XY ( molar mass 56.8 g/mol ) is 1.10 g/…

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Q: If a 24 g sample of a nonelectrolyte is dissolved in 156 g of water, the resulting solution will…

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Q: Solutions of hydrogen in palladium may be formed by exposing Pd metal to H₂ gas. The concentration…

A: Given - mass of hydrogen gas = 0.85g              Mass of palladium = 197 g              Density of…

Q: An aqueous solution of a covalent compound has an osmotic pressure of 0.2351 atm. This solution was…

A: Given: Mass of solute compound = 1.52 g. Volume of solution = 560.0 mL = 0.560 L  Temperature = 52.0…

Q: How many moles of potassium bicarbonate, KHCO3, are present in 75.0 mL of a 0.750 M potassium…

A: molarity is calculated by number of moles of solute dissolved in one liter of solution.…

Q: Assume that all solutions were prepared at 25 degrees celcius and the solutes are conpletely…

A: Molarity of a solution is the number of moles of solute dissolved in 1L (1000 ml) solvent.

Q: Calculate the mass percent of a solution that is prepared by adding 75.0 g of N 2 OH to 485 g of H 2…

A: Given: mass of N2OH = 75.0 g mass of H2O = 485 g

Q: A solid consists of a mixture of NaNO3 and Mg(NO3)2. When 6.50 g of the solid is dissolved in 50.0 g…

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Q: A solution contains 0.150 mol NaCl and 0.931 mol H₂O. Calculate the vapor pressure of the solution…

A: Given,number of moles of NaCl = 0.150 molnumber of moles of H2O = 0.931 molVapor pressure of pure…

Q: An aqueous solution of isopropanol (MM = 60.10 g/mol) has a molality of 7.91 m and a density of 1.18…

A: Given, molality of  isopropanol is 7.91 m. That means 7.91 moles dissolved in 1 Kg (1000 g) of…

Solutions

Solutions can be considered as homogeneous mixtures which contain two or more than two chemical substances. The chemical substance which is the greater part is defined as solvent. And the chemical substance that is dissolved in a solvent is referred to as solute. Solution chemistry plays an important role in chemistry since it supports many commercial applications of solutions.