Potassium nitrate has a lattice energy of -163.8 kcal/mol and a heat of hydration of -155.5 kcal/mol. Part A You may want to reference (Pages 544 - 548) Section 13.3 while completing this problem. How much potassium nitrate has to dissolve in water to absorb 101 kJ of heat? Express your answer using two significant figures. 0.32 kg

Q: Exactly 15.0g of a substance can be dissolved in 150.0g of water. What is the solubility of the…

A:

Q: 1. Use the graph provided to answer the following questions: a. What mass of potassium nitrate can…

A: Given,  The mass of potassium nitrate can be dissolved in 100 g of water at 20° C is :

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: Types of Intermolecular Forces Made When Liquids are Mixed\ What type of bonds can form when you mix…

A: Given: Hexane CH3CH2CH2CH2CH2CH3Pentane CH3CH2CH2CH2CH3

Q: Determine the mass/volume percent of a solution made by dissolving: (a) 14.9 g C2H5OH (ethanol) in…

A: Given, mass of ethanol = 14.9 g volume of solution = 136.8 mL mass of NaCl = 31.2 g volume of…

Q: Prepare a solution of NaCl by accurately weighing approximately 1.45g of NaCl into a 100 mL beaker /…

A: Molality (m)=Moles of soluteMass of solvent in kg mol/kg Mass of NaCl added=1.45gMolar mass of…

Q: The molar mass of glucose is 180 grams per mole (g/mol). Which of the following  procedures should…

A: Given , Concentration of solution = 1 M

Q: A solution Y is saturated at 20 g per 100 g of water. If 60 g of Solution Y is dissolved in 150 g of…

A: Super saturate solution that have more than the maximum amount of solute that can be dissolved in…

Q: Calculate the percent by mass of 158.65 g NaCl dissolved in 880 grams of water

A: Given that, 158.65 g NaCl dissolved in 880 grams of water We have to calculate the mass percent of…

Q: Calculate the heat of solution if 5.0 g of benzoic acid, C6H5COOH, is dissolved in 45.0 g of water…

A: Heat change of the reaction is measured as  q = m*c*∆T Where  m = mass of water (g) c = specific…

Q: The solute particles will settle out because solutions are homogeneous mixtures. * O True O False

A: the solute particle will settle out because solution are homogenous mixture

Q: What is the percent by mass concentration of NaCI in a solution that is prepared by adding 15.0g of…

A:

Q: A student dissolves 19. g of aniline (C H,NH,) in 350. mL of a solvent with a density of 1.13 g/mL.…

A: We have given that 19 g of aniline dissolves in 350 mL= 0.350 L of a solvent To find out molarity…

Q: Which statement is true?  Statement 1: In choosing a solvent for recrystallization, the solute must…

A: Which statement is true?    Statement 1: In choosing a solvent for recrystallization, the solute…

Q: A certain ionic compound X has a solubility in water of 83.2 at 15. C. Calculate the greatest mass…

A:

Q: Which of the folowing statement is false when a solution is prepared by adding 10.4 g of potassium…

A: In this question, we have to choose the statement which is given false.

Q: Enter your answer in the provided box. Calculate the percent by mass of the solute in the following…

A:

Q: If 773 g of water is added to 53 g of a 1.8-m NaCl solution, what is the mass percent of NaCl in the…

A: Formula is  mass percent = ( mass of solute / mass of solution) × 100 mass of solution = mass of…

Q: If each substance listed here costs the same amount per kilogram, which would be most cost-effective…

A: Freezing point is a colligative property which depends on the number of particles of a non-volatile…

Q: what is the percent by mass of a solution made by dissolving 55.0 g NaCl in 275 g water?

A: Mass of the solution is mass of the solute plus mass of the solvent.

Q: How is a supersaturated solution typically made? • by heating a solution to dissolve more solute,…

A:

Q: What is the percent by mass concentration of NaCl in a solution that is prepared by adding 15.0 g of…

A:

Q: How many moles of solute are contained in each solution?   a. 550 mL of a 0.34 M NaNO3 solution: b.…

A: MOLARITY = no. of moles /1 L of solution 1 liters of solution contains 0.34 moles of NaNO3 so 550 ml…

Q: 5 g of potassium chloride is dissolved in enough water to make 3.6 L of solution. A) What is the…

A: Formula used :- Concentration (C) = number of moles (n)/volume(L)

Q: Determine the amount in grams of KCI that exists in 20.3g of a solution that contains 1.14 % KCI by…

A: M

Q: The concentration of 120 mL of an aqueous solution of KNO2 is 2.69 M. How many grams of KNO2 are…

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

Q: The molarity of a solution containing 7.1 g of sodium sulfate in 100 mL of an aqueous solution is ?

A:

Q: The concentration of 112 mL of an aqueous solution of KNO2 is 3.49 M. How many grams of KNO2 are…

A: Given, volume of Solution = 112 ml 1000 mL = 1 L  112mL = 0.112 L Molarity = 3.49 M Molar mass KNO2…

Q: How much water must be added to 36.0 g of SrCl2 to produce a solution that is 35.0 wt% SrCl2?

A:

Q: 24.95g of sodium iodine is dissolved in 99.95 ml of water, calculate the percent mass of sodium…

A: Given data, Sodium iodine = 24.95g Water =99.95 ml (99.95 g due to water density is 1)

Q: How many mL of water should be added to 50.0 mL of a 15.0 M H2SO4 solution to give a final…

A: In the dilution process, the relationship between initial and final concentrations and volumes of…

Q: How would you prepare 69.0 g of an aqueous solution that is 5.00% potassium iodide, KI, by mass?…

A:

Q: Calculate the molarity of a solution made by dissolving 0.382 mol glucose in enough water to make…

A: Given, moles of glucose = 0.382 moles Volume of Solution = 1.32 L  Molarity = ?

Q: How would you prepare 580 mL of 8.3 M NaCl solution? Dissolve _______________g of NaCl in a minimum…

A: Given: Molarity of NaCl solution that has to be prepared = 8.3 M. Volume of the NaCl solution that…

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: heats of solution? Select one: a. the heat of solution is also called the enthalpy of solution; b.…

A: Heat of solution also called enthalpy of solution.This is correct because heat is also teemsed as…

Q: A sucrose solution is prepared to a final concentration of 0.300 M . Convert this value into terms…

A: Molarity = number of moles / volume in liter

Q: If 20.1408 g of KNO, (MM = 101.10 g/mol) is dissolved in 15.06 mL of water at 66.8°C (Density(H,O)…

A: Answer: Solubility of a compound in water at a particular temperature is the maximum amount of…

Q: 34.1 % (NH4 )2SO4   (molar mass = 132.1 g mol−1) has a density of 1.15 g mL−1. What is the molarity…

A: Given,  The mass percentage of (NH4)2SO4 = 34.1% The density of a solution = 1.15 g/mL The molarity…

Q: mass of lead hydroxide that is dissolved in 125 mL of a saturated solution is_____ grams

A: According to the question, we need to calculate the mass of lead hydroxide dissolved in 125 ml of a…

Q: True or false? A solution is formed when a solute dissolve in a solvent to form a single phase that…

A: Welcome to bartleby !

Q: Classify the solutions as unsaturated, saturated, or supersaturated. The solubilities of the solutes…

A: 66 g vitamin C in 200 mL water at 20°C Given: Solubility of Vitamin C in water = 33g/100 mL at…

Q: The EPA (Environmental Protection Agency) currently limits the concentration of fluoride in drinking…

A: ppm means parts per milliion

Q: Which of the following characteristics describes water’s ability to act as nature’s solvent?   A.…

A:

Q: Classify the solutions as unsaturated, saturated, or supersaturated. The solubilities of the solutes…

A: Saturated solution is the solution that contains maximum quantity of solute dissolved in the…

Q: Determine the molarity of a solution formed by dissolving 468 mg of MgI2 in enough water to yield…

A: Molarity:The concentration of solution is given in the term of molarity.

Q: Calculate the molarity of a solution formed by adding 9.50 g NH4Cl to 18.3 g of water molarity:   m…

A: The term molarity is used to define the concentration of a substance in a solution. It is the number…

Q: How would you prepare 69.5 g of an aqueous solution that is 5.00% potassium iodide, KI, by mass?…

A:

Q: A student dissolves 4.8 g of ammonia (NH,) in 350. mL of a solvent with a density of 1.01 g/mL. The…

A: Given,  Mass of NH3 = 4.8 g  Molar mass of NH3 = 17 g/mol  Volume of the solvent = 350 ml = 0.35 L…

Q: What is the molarity of a solution prepared using the given amount of solute and total volume of…

A: Given, the compositions of the solutions: a. 25.0 g of KCl in 630 mL of solution b. 11.0 g of Na2CO3…