1. (a) Calculate the mass percentage of Na2SO4 in a solution containing 10.6 g NazSO4 in 483 g water. (b) An ore contains 2.86 g of silver per ton of ore. What is the concentration of silver in ppm?

Q: What is the molarity of the solution prepared by concentrating, by evaporation of solvent, 755 mL of…

A: First determine the mass of solute. mv%=mass of solutevolume of solution ×100%0.200%=mass of…

Q: What is the osmotic pressure of 12.6 percent by mass aqueous solution of K2SO4 with a…

A: We use the colligative properties in this question

Q: A saturated solution of Na2S2O3 at 80 degree celsius was determined to be 47.6% by mass. What is…

A:

Q: The Henry's Law constant of methyl bromide, CH3Br, is k = 0.159 mol/(L ⋅⋅ atm) at 25°C. What is the…

A: Solubility is defined as the amount of solute that could be dissolved in per liter of solution.…

Q: Wastewater from a cement factory contains 0.25 g of Ca2+ ion and 0.056 g of Mg2+ ion per 100.0 L of…

A: Given: Mass of calcium ion = 0.25g Mass of magnesium ion= 0.056g Volume of the solution= 100.0L…

Q: What is the molality of NaCl in an aqueous solution which is 4.20 molar? The density of the solution…

A: Molality of a solution can be defined as the number of moles of solute dissolved per kilogram of…

Q: Calculate the molality of a solution containing 76.1 g of glycine (NH,CH,COOH) dissolved in 3.076 kg…

A:

Q: How many grams of ethylene glycol 1C2H6O22 must beadded to 1.00 kg of water to produce a solution…

A: Given: Mass of water = 1.00g Freezing temperature of the solution Tf=-5° We know that, Kb of water…

Q: 10. When 2.74 g of phosphorous is dissolved in 100.0 mL of carbon disulfide, CS2(), the boiling…

A:

Q: What is the molality of sodium ions in a solution containing 50.0 g of Na2SO4 [MW = 142] in 250.0 g…

A: Molality (m), or molal concentration, is the amount of a substance dissolved in a certain mass of…

Q: Nitrogen gas (N2) has a solubility in water of approximately 0.0164 g/L at 25.0°C and 1.00 atm. What…

A:

Q: What is the molality of a solution consisting of 9.265 mass % of C2H5OH dissolved in water?

A: Mass by mass % gives an idea about the amount of solute dissolved per 100 g of solution. Here mass %…

Q: What volume of 0.600 mol/L CuSO, 5H,O solution is required to prepare 75.0mL of 0.400 mol/L…

A:

Q: Calculate the mass of propylene glycol1C3H8O22 that must be added to 0.340 kg of water to reducethe…

A: Let us first calculate moles of water. moles = mass/molar mass given, mass of water = 0.340 kg = 340…

Q: The mass percent of THF (MM = 72.11 g/mol) in methylene chloride (MM = 84.93 g/mol) is 38.9%.  What…

A:

Q: A nonelectrolyte, is one of the compounds responsible for the flavor of cloves. A 231 mg sample of…

A: The boiling point of a liquid is the temperature at which its vapour pressure becomes equal to the…

Q: Calculate the osmotic pressure associated with 50.0 g of an enzyme of molecular weight 98,000 g/mol…

A: The osmotic pressure can be calculated using the equation,π=nRTVπ=Osmotic pressuren=number of…

Q: Which gives the more concentrated solution, (a) KNO₃ in H₂O or (b) KNO₃ in carbon tetrachloride…

A: Concentration is defined as the amount of solute present per unit of solvent. For example, Molarity…

Q: What is the boiling point for a solution of 100.0 mg of C9H8O dissolved in 1.00 g of CL4?

A: NOTE : There is a typo mistake in the question. It will be CCl4 and not Cl4. Hence I'm correcting…

Q: 9.) What is the percent CdSO4 by mass in a 1.79 molal aqueous CdSO4 solution?

A:

Q: What is the concentration (by mass) of the solute in a 25 degree Celsius solution prepared by…

A: Given : Moles of Na3PO4 dissolved = 2.50 X 10-7 mol. And volume of water = 1.000 L = 1000 mL…

Q: In how many grams of water should 20.10 g of potassium nitrate (KNO3) be dissolved to prepare a…

A: The concentration of a solution says about the amount of solute that is present in the solvent…

Q: What is the molality of a solution that contains 71.8 g of 1,4-dichlorobenzene (C6H4Cl2) in 468 mL…

A:

Q: How many liters of the antifreeze ethylene glycol [CH2(OH)CH2(OH)] would you add to a car radiator…

A: According to the equation for depression in freezing point  △Tf = Kf × wGMW×Wkg where w = Wt of…

Q: What is the osmotic pressure of 2.00 g of sucrose (C12H22O11) dissolved in 100 mL of water at 30° C?

A: The given data contains, mass = 2.00 g. Volume = 100 ml Temperature = 303 K.

Q: What is the molality of a 10% w/w NaCl solution?

A: Molality is defined as number of moles of solute divide by mass of solvent in kilograms

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: Which of the following factors affect the solubility of a gas in a liquid solvent? l. Pressure II.…

A: Solubility is the ability of a solid, liquid, or gaseous chemical substance (referred to as the…

Q: what is the mole fraction of the components of a solution containing 18g h2SO4 in 75 g of liquid…

A: Mass of H2SO4 = 18 g, molar mass = 98 g mol-1 mass of H2O = 75 g , molar mass = 18 g mol-1 Mole…

Q: How would you prepare 425g of an aqueous solution containing 2.40% by mass of sodium acetate…

A: Given: The mass % of sodium acetate (NaC2H3O2) solution, =  2.40%

Q: Cadmium bromide is used in photography and lithography. Calculate the molality of a solution…

A:

Q: What is the mass percent solute of a 2.00 molal H2SO4

A:

Q: How many grams of glucose (C6H12O6) are present in 257.3 mL of a 11.2 M solution?

A: Molarity of a solution can be defined as the number of moles of solute dissolved per litre of…

Q: What is the freezing point of a 1.85 m solution of a nonvolatile nonelectrolyte solute in…

A: Given information: Molality of solution = 1.85 m

Q: What is the molality of a solution made by mixing 4.5 grams of KNO3 [ molar mass ( 101.1032 g = 1…

A: Molarity = moles of soluteVolume of solution (l)Solute is KNO3moles ofKNO3 = given weight (g)Molar…

Q: Cadmium bromide is used in photography and lithography. Calculate the molality of a solution…

A: Given data: The mass of CdBr2 is 45.38 g. The mass of water is 375.0 g=0.375 kg. To calculate:…

Q: 2.2.91 moles of silicon dioxide (SiO) are dissolved in a 1.93 kg aqueous solution. What are the ppm…

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

Q: Calculate the mole fraction of C2H5OH (Mm=46 g/n) in a solution that contains 86 grams of ethanol,…

A: Number of moles = Mass/molar mass Mole fraction Xi = ni/N Where, Xi = mole fraction of component i…

Q: A solution is made by dissolving 2.5 mg sodium fluoride (NaF) in 5.0 L of water at 20.0 degree…

A: Given : Volume of water = 5.0 L Mass of sodium fluoride i.e NaF dissolved = 2.5 mg = 2.5 X 10-3 g…

Q: What is the osmotic pressure of a 0.333 M solution of C6H12O6 at 25°C?

A: Osmatic pressure is calculated by using below formula,

Q: What mass of glucose (C6H12O6) must dissolve in 2354 g of ethanol to make a 0.88 m solution?

A: Molality of solution is equal to number of moles of solute dissolved in per kg of solvent. It is…

Q: What is the molality of a 60.5% by mass of nitric acid (HNO3) solution?

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: What molal solution is made when adding 90 grams of K2SO4 to 0.55 kg of water?

A: Morality is defined as number of moles of solute dissolved in per kg of solvent.  It is denoted by…

Q: A small cube of lithium 1density = 0.535 g/cm32 measuring1.0 mm on each edge is added to 0.500 L of…

A:

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

A:

Q: How many milliliters of water must be added to 18.5 g of C6H12O6 in order to obtain a solution with…

A: We have to predict the mass of water needed.

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…