9. How many grams of CaCl2 should be added to 1.60 kg of water in order to prepare a solution that boils at 102.58°C?

Q: Is the boiling point of 0.01 m KF(aq) higher or lower than that of 0.01 m glucose(aq)? Explain.

A: Given data: The molality of KF(aq) = 0.01 m. The molality of glucose(aq) = 0.01 m. To find: The…

Q: 1. The freezing point of pure benzene (C₆H₆) is 5.49 °C. The freezing point of a solution made using…

A: Given that freezing point of pure benzene (C₆H₆) is 5.49 °C The freezing point of a solution = -13.0…

Q: how many grams of sucrose must be added to 475 ml of water to make 65% (w/w) solution?

A:

Q: Calculate the molality of a solution containing 1.7 moles of MgClz in 1329 g of water? O 2.26 m O…

A: Given Number of mole of MgCl2  = 1.7 mole  Mass of water  = 1329 gram                          =…

Q: 4. Assuming complete ionization of the solute, what would one expect the boiling point of a solution…

A: The mass of water is 125 g which is equal to 0.125 kg. The number of moles of solute present in the…

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: If the partial pressure of O2 is 38.mmHg , the mass of O2(in mg) that can dissolve in 1.00L water at…

A: Given: Pressure = 38 mm Hg Convert mm Hg into atm as follows. Volume = 1.00 L Temperature = 25…

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: 4. Why do things mix. What law of thermodynamics governs this behavior. Discuss mixing of polar and…

A: The dissolution of a specific mass of the solute in suitable solvent results in the formation of a…

Q: 17. Which would be more effective in increasing the boiling point of 500.0 g water? A. 100.0 g…

A: Ans) 100g table salt, NaCl

Q: Asolution contains 21.8 g glucose (CH12O6) dissolved in 0.730 L of water. What is the molality of…

A: Density for water is 1.00 g/ml. 1ml water has mass 1 g And 0.730 L=730 ml water has mass 730 g. Mass…

Q: Of F2, CF4, and SF2 which substance is more soluble in water? Explain.

A: Basic principle of solubility is "like dissolves like".   This means polar compounds will be soluble…

Q: A 42.2 g sample of ground water is found to have a lead concentration of 17.77 ppm. Calculate the…

A: Mass of solute present in 106 or 1 million mass of solution is known as ppm concentration.

Q: The sugar fructose contains 40.0% C, 6.7% H, and 53.3% O by mass. A solution of 11.7 g of fructose…

A: 11.7 g of fructose in 325 g of ethanol has a boiling point of 78.59 °C boiling point of ethanol is…

Q: Water softeners often replace calcium ions in hard water with sodium ions. Since sodium compounds…

A: Calcium is more beneficial to human health than sodium because calcium is a necessary part of the…

Q: Normal saline is 0.920% (w/v) NaCl in water. How many grams of NaCl are needed to prepare 15.0 L of…

A:

Q: What mass of fructose, C5H10O5(molar mass is 150.2 g) in grams, should be added to 50.0 g H2O to…

A: Mass of H2O = 50.0 g. Boiling point of solution = 102.45°C  Kb = 0.512 °C/m Molar mass of fructose =…

Q: Why are aquatic species more comfortable in cold water in comparison to warm water?

A: Solubility of the solution means maximum amount of solute that can be dissolved in given solvent.…

Q: Calculate the boiling point and freezing point of 10 g of C6H12O8 dissolved in 259 g of water.

A:

Q: What mass of glucose (C6H12O6) must dissolve in 679 g of ethanol to make a 0.92 m solution?

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

Q: How many grams of NaCl and water are required to make 100 g of a 20% (w/w) NaCl solution?

A: We knew that  (W/W %) = (mass of solute) /(mass of  solution)×100% Where mass of solution = mass of…

Q: Ethanol has a K, of 1.22 °C/m and usually boils at 78.4 °C. What is the boiling point of the…

A:

Q: 1. How many grams of table salt must be added to half a liter of water to raise ita boiling point by…

A: Depression in freezing  point = ∆Tf= 15oC ∆Tf= Kf X molality Kb= molal elevation constant of water…

Q: If 7.27 grams of sucrose, C12H22O11, are dissolved in 35.2 grams of water, what will be the boiling…

A: Given: mass of Sucrose = 7.27 g Mass of water = 35.2g = 0.0352 kg  Kb for water = 0.512°C/m Molar…

Q: What is the mass percent of potassium iodide in this solution?

A: Given :- mass of solution = 75.0 g  mass of KI (solute) = 18.7 g  To be calculated :- % (w/w) of KI…

Q: Which solid is most soluble in water at 60°C? A. sugar (CaH2Ou) B. KNO, C. NANO, D. NaBr E. Ce:(SO.)

A: Solubility is defined as the maximum amount of a substance that will dissolve in a given amount of…

Q: Explain why aquatic species are more comfortable in cold water rather than in warm water.

A: Given Explain why aquatic species are more comfortable in cold water rather than in warm water.

Q: A 3.0g sample of a nonelectrolyte was isolated from beef fat. The molecular weight of the compounds…

A: Since there is solute present in ethanol  hence the boiling point of ethanol solution will be more…

Q: How many grams of chlorine gas are needed to make 5.60 x 10° g of a solution that is 1.40 ppm…

A: Given, concentration of solution =1.40 ppmmass of solution =5.60×106 gramwe are asked to calculate…

Q: Is ethanol soluble in C6H12? Is Ethanol soluble in H20? Is ethanol polar or nonpolar?

A: The objective of the question is to find the solubility of ethanol in water and cyclohexane .

Q: Which ionic solid is most soluble in water at 0°C? A. sugar (Ci2H2On) B. KNO. C. NANO, D. NaBr E.…

A: The most soluble ionic solid in water at 0°C has to be given.

Q: How many grams of water must be added to 30.7 g of NaOH in order to prepare a 2.04%(m/m) solution?…

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

Q: A 75.0 grams of MgCl2 is dissolved in 500.0 g of water. Calculate the molality of the solution.…

A:

Q: Which ionic solid is most soluble in water at 60°C? A. sugar (C2H0:1) B. KNO, C. NANO, D. NaBr E.…

A: Polar compounds are more ionic and easily soluble in water.

Q: The boiling point of 20.0 g of Ca(NO 3 ) 2 dissolved in 500.0 g of water would be ? kb =0.512^ C/m

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: Can a covalent compound like ethanol, CH3OH dissolve in water? Explain

A: We need to check the polarity of covalent compounds in order to decide the solubility in water

Q: Calculate the boiling point of 20 grams of C6H12O6 dissolved in 350 grams of water.

A: Molar mass of Fructose (C6H12O6) = 6 * 12 + 12 * 1 + 6 * 16 = 180 gm/mol Number of moles of Fructose…

Q: Which ionic solid is most soluble in water at 50°C? A. sugar (CuH011) B. KNO, C. NANO D. NaBr E.…

A: The ionic solid which is most soluble in water at 50°C has to be given.

Q: What is the freezing point of a 1.389 m solution of C6H12O6? What is the boiling point of the same…

A: The Freezing point of the solution is 272.4388 K The Boiling point of the solution is 375.7335 K

Q: How many grams of NaCl would need to be added to 3001 g of water to increase the boiling temperature…

A: delta Tb = iKb (mass of NaCl /molar mass of NaCl)*(1000/H2O mass) delta Tb = 1.5 degree celcius. The…

Q: How many grams of table sugar (C12H22O11) must be added to 200 g H2O to raise the boiling point of…

A: The given data is as follows: The mass of water = 200 g = 0.200 kg The boiling point of waterTb° =…

Q: Insulin is a protein that regulates carbohydrate metabolism by decreasing blood sugar levels. A…

A: The boiling point of solution is calculated using the formula as follows,

Q: The solubility of KNO3 is 155 g per 100 g of water at 75°C and 38.0 g at 25°C. What mass (in grams)…

A: Given : Solubility of KNO3 at 75 oC = 155 g/100 g of water = 1.55 g KNO3 / g water Solubility of…

Q: Carbon tetrachloride, once widely used in fire extinguishers and as a dry cleaning fluid, has been…

A:

Q: How many grams of NaCl would need to be added to 1001 g of water to increase the boiling temperature…

A: Given:Mass of solvent = 1001 g = 1.001 Kg.Van’t Hoff factor for NaCl (i) = 2Change in Boiling point…

Q: The solubility of gas in water is 25 degrees celsius and 1.0 atm pressure of oxygen is 0.041 g/L.…

A: According to Henry’s Law, pressure (P) and concentration (C) is directly related to each other as…

Q: Some people add salt to pasta water to cook the pasta faster by increasing the cooking temperature.…

A:

Q: What is the normal boiling point of a 3.45 mol solution of KBr that has a density of 1.80 g/ml?

A: