How many grams of NH3 must be dissolved in 345.4 mL of water to obtain a solution with a mole fraction of NH3 equal to 0.533? The density of water is 1.00 g/cm3.

Q: How many grams of CaCl2 should be dissolved in 500? mL of water to make s 0.333 M solution?

A: Given  Volume                    = 500 mL          Molarity of solution = 0.333 M  Mass of CaCl2…

Q: 1. Calculate the mass, in grams, of sodium hydroxide needed to prepare 500 mL of approximately 0.1 M…

A: Mole = Molarity × Volume in litre Molar mass NaoH = 39.997g/mol.

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

A:

Q: Calculate the mass/volume percent of a NaCl solution in which 171 g of NaCl is dissolved in enough…

A: Given data,Mass of NaCl=171gVolume of solution=2.34L Mass/ volume percent is given by the following…

Q: What mass of Na3PO4・12H2O would be needed to prepare 0.250L of a solution in which the Na+ ion…

A: Concentration of Na+ ion = 0.250 mol/litre  Volume of solution = 0.250 L  Molar mass of Na3PO4.12H2O…

Q: Calculate the mole fraction of CH2O and C3H8O in a solution containing equal masses of both.

A: Molar mass of CH2O = 30 g/mole Molar mass of C3H8O = 60 g/mole

Q: Calculate the molality, molarity, and mole fraction of FeCl3 in a 28.8 mass % aqueous solution (d =…

A: Given  density of solution : d = 1.280 g/mL mass % of FeCl3 in solution = 28.8 % Take 1.0 L (or 1000…

Q: Calculate the amount of potassium chloride that is needed to prepare two litres of a 1.45 molar…

A: Potassium hydroxide is KOH  Potassium chloride is KCl  KCl + H2O --> KOH + HCl  Molar mass of KCl…

Q: Define solute, solvent, and solution. Give three characteristics of a solution.

A: A solution can be prepared by the addition of a solute in a solvent. When the solute is soluble in…

Q: calculate the mole fraction of nacl in a solution prepared by dissolving 117 g nacl in 3.45 kg H20

A:

Q: A solution is prepared by dissolving NaCl in water. What is the mole fraction of NaCl in a solution…

A: Moe fraction is the ratio of moles of a particular substance to the total moles present in a system.…

Q: An aqueous solution of KCI (molar mass 74.5 g/mol) has a concentration of 1.85 m. If this solution…

A: Given: The concentration of the aqueous solution of KCl = 1.85 m The mass of water in the sample =…

Q: Calculate the mole fraction of nitric acid of a 14% by mass aqueous solution of nitric acid

A: Given : Aqueous solution of nitric acid means the solvent is water. And percent by mass of nitric…

Q: Determine the mole fraction of NaF in a 11.7343 wt % aqueous solution of NaF.

A: Weight percent or mass percent :- The mass of solute in grams present in 100 grams of solution is…

Q: A solution is composed of 1.90 mol cyclohexane (P°=97.6 torr) and 2.60 mol acetone (P°=229.5 torr).…

A: Explanation All liquids intend to vaporize independent of the temperature if the pressure is higher…

Q: What is the maximum mass of potassium nitrate that can be dissolved in 500. mL of water at 60°C?

A: Solubility of a compound is expressed by the mass of that amount that can be dissolved in 100 g of a…

Q: A 12% w/w sodium chloride solution is prepared by dissolving enough of the salt to give 200.0 g of…

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

Q: Calculate the molality of a solution prepared by dissolving 12.1 g of CH3OH in 475 g of water O 2.40…

A: Mass of CH3OH = 12.1 g  Mass of water = 475 g  Molality of the solution = ?

Q: A solution contains 275mL of hydrogen peroxide (H2O2) in 3.2L of solution. Calculate the percentage…

A:

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

A:

Q: What is the mole fractions of hydrochloric acid (HCI)and water in a 20% aqueous HCI solution?

A: Solution You know that your resolution is two hundredth acid by mass, which suggests that each one…

Q: (a) Calculate the mass percentage of Na2SO4 in a solutioncontaining 10.6 g of Na2SO4 in 483 g of…

A: Mass percentage of the compound is equal to the mass of the compound divided by the mass of solution…

Q: Calculate the mole fraction of solute and solvent in a 3.0 m solution of sodium chloride.

A: What is the mole fraction of solute and solvent in 3 molal solution of sodium chloride.

Q: What is the normal boiling point of 1.21 M solution of CaI2 that has a density of 1.92 g/ml? (Kb for…

A: Solution is made up of two components which are solute and solvent. Solute is present in the minor…

Q: What mass of magnesium chloride, MgCl2 must be dissolved in 100.0 mL of water to produce a 2.5 M…

A: The ratio of number of solute to the volume of solution in liters is known as molarity.

Q: An aqueous solution of ammonia, NH3, has a concentration of 0.292 mol/L and has a density of 0.996…

A: Assume No. of mole of ammonia = 0.292 moleMass of ammonia = (No. of mole of ammonia)*(molar mass of…

Q: In which solution will NH¼NO3 be most soluble in? 1.0 Μ HΝ0; O 1.0 M KOH O 1.0 M NaCi O 1.0 M NH4Br…

A: According to the given data we have different solvents we have to find in which of the following…

Q: What is the mole fraction of HCl in a 4.50 m aqueous HCl solution?

A: Molefraction of solute and molality expression relation is   m = XB1 - XB  x  1000MA where  m =…

Q: Henry's Law describes the solubility of a gas in a liquid. Rank the following gases in order of…

A:

Q: Calculate mass of solid NaOH necessary to prepare 1.0 L of 0.10 M NaOH solution.

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: Find the mole fraction of 18.93% m/m of ethylene glycol in 112 g of aqueous ethylene glycol…

A:

Q: What is the mole fraction of NaCl in a 1.33 m solution of NaCl.

A: Answer: The mole fraction of NaCl is  0.0234. GivenThe molarity of the solution of NaCl=1.33mmole…

Q: Calculate the mole fraction of HCl in a solution of HCl acid in water,  containing 36 per cent HCl…

A: The mass percent of HCl is 36%. This shows that 36 g of HCl is present in 100 g of solution.

Q: Calculate the mass/volume percent of a NaCl solution in which 190g of NaCl is dissolved in enough…

A: Given: Mass of NaCl=190g The molar mass of NaCl=58.44g volume of  solution=2.16L=2160ml

Q: Calculate the molality, molarity, and mole fraction of NH₃ in an 8.00 mass % aqueous solution…

A: The mole fraction of a solute is the number of moles of solute per moles of solution. Mole fraction…

Q: What is the expected solubility of true salts to liquid ammonia?

A: Liquid ammonia is a solvent.

Q: What mass (in g) of NH3 must be dissolved in 475 g of methanol to make a 0.250 m solution? O 2.02 g…

A: Given: Mass of methanol = 475 g =475×10-3 kg The molality of the solution = 0.250 m Standard data:…

Q: how colloidal solutions can be purified?

A: There are various methods of purification of colloidal solutions.

Q: How many grams of Na2CO3 should be dissolved in 200.0 g of water to prepare a solution which is 12 %…

A: Solution- Grams of Na2CO3 required= 25.00 g Option 3 is correct. Detailed solution has been…

Q: Calculate the molality, molarity, and mole fraction of FeCl₃ in a 28.8 mass % aqueous solution…

A: Molarity is equal to the number of moles of solute dissolved per liter of solution. It is denoted by…

Q: Calculate the molality of a sulfuric acid solution containing acid is 98.09 g. Molality = Moles…

A:

Q: Calculate the molality of 25.3 mL of glacial acetic acid (CH3COOH) dissolved in water to form a 50.0…

A:

Q: What mass of ammonia (NHa) must be dissolved in 475 g of methanol (CHO) to make a solution wit a…

A: Given data: The mass of the solvent that is methanol is 475 g. The molality of the solution is…

Q: How many cm3 of water will be required to prepare 3% NaNO3 solution starting from 0.6kg of this salt

A:

Q: What mass of cesium bromide must be added to 0.500 L of water (d = 1.00 g/mL) to produce a 0.739 m…

A: Molality is the total moles of a solute contained in a kilogram of a solvent. Molality is also known…

Q: What is the mole fraction of 1.2g of NaHCo3 dissolved in 225g of water?

A: Let the number of moles of sodium bicarbonate and water be x and y respectively. The molar mass of…

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…