A solution is made using 95.0 g of potassium nitrate in 300. mL of water at 70.0 ℃.  If the solution is quickly cooled to to 20.0 ℃, how many grams of potassium nitrate precipitate out?

Q: The solubility of ammonium formate, NH4HCO2, in 100. g of water is 102 g at 0 °C and 546 g at 80 °C.…

A: Answer:- This question involves the solubility of a compound at different temperatures. Firstly mass…

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A: Hence you posted multiple choice questions, I will answer the first three sub questions. (1) mass of…

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A: When a solute is added to water, solution is formed. Some time all of the solute can be…

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A:

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A: In this question, we want to determine the moles of solute in the Solution. You can see details…

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A: Since the mass of solute KBr = 15.2 g hence moles of KBr = mass / molar mass = 15.2 / 119 = 0.12773…

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Q: Silver nitrate solutions are often used to plate silver onto other metals. What is the maximum…

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Q: 5. The boiling point of benzene is 80.1°C and K for benzene 5.12°C/m. When 0.715 g of an unknown…

A:

Q: How much table salt should be added to 300 g water to lower its freezing point to -2.00°C?

A: given data : Kf of water = 1.86 °C/m  Freezing point of water = 0°C  ∆Tf = 0-(-2.00) = 2.00°C  Mass…

Q: 33.07 g sucrose is dissolved in 85.27 g H2O. The resulting solution freezes at -2.020C. Calculate…

A: Firstly, the freezing point depression was calculated. It is the temperature drop at which the…

Q: A solution is made by dissolving 25.0 g of sodium chloride, in 265 g of water. Calculate the…

A: As you have posted multiple questions, we will answer the first question for you. Kindly repost the…

Q: Equal masses of acetone (CH3COCH3, molar mass = 58 g/mol and density = 0.79 g/mL) and water (molar…

A: Molality is given by  Molality = moles of solute / mass of solvent in Kg Since molality of acetone…

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A:

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

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Q: A dioxin-contaminated water source contains 0.066 % dioxin by mass. How much dioxin is present in…

A: To solve this problem we will use the formula  % of dioxin = (mass of dioxin / mass of solution) ×…

Q: 5. What is the freezing point of a solution prepared by adding 239.0 g of copper(II) sulfate…

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Q: Your favorite household cleaner is a 30% aqueous solution of ammonia (NH3) by volume. The typical…

A: M = (1000 ×w)/(MM × V)Where, M = molarity; w = mass of NH3 in g; MM = molar mass of NH3; V = volume…

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

Q: The solubility of potassium chloride is 34.2g/100.0g of water at 20 degrees celcius. Which of the…

A: Given: Solubility of potassium chloride = 34.2g/100.0g of water. (Means 34.2 g of potassium…

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A: The solubility of the solution is determined by the maximum amount of solute dissolved in the given…

Q: 50.0 mL of a 0.60 M solution of pyridine in ethanol is to be prepared by measuring out a known…

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Q: . Does the solubility of solids also depend on the structure of the solvent molecules? Why is that?

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Q: The concentration of NaCl(aq) in a beaker is 2.00 M. What is the molality of the NaCl solution?…

A: The Molarity of NaCl = 2.00 M Means moles of NaCl = 2.00 mol present in volume of 1 L water . So…

Q: 3. If a solution is made up by mixing 6.0 g of benzoic acid in 1.00 L of water at 42 °C, would the…

A: In this question we have to define the saturated Solution of the benzoic acid and water, first of…

Q: Molality   A solution contains 22.5 g of methanol, CH3OH, dissolved in sufficient water to give a…

A: Molality of a solution is calculated by dividing the number of moles of solute by per kilogram of…

Q: PLEASE HELP WITH THIS CALCULATION: A solution was prepared by dissolving 2.0 g of material in 1500…

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Q: A certain liquid X has a normal freezing point of -6.90 °C and a freezing point depression constant…

A: We have to predict the freezing point of solution.

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Q: 123.2 g of non-volatile ethylene glycol (62.07 g mol ) is added to 304 g of water at room…

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Q: & Calculate the molality of 30 grams of KBr dissolved in 500.0 ml of pure water. 9. What is the…

A: 8. Answer: the molality of the solution is 0.504 m

Q: A certain sample of concentrated hydrochloric acid is 30.8 % HCI. Calculate the molality of this…

A: Given, Percentage of concentrated hydrochloric acid (HCl) = 30.8 % Molality of the solution = ?…

Q: The freezing point of acetic acid is 17.0 °C, and its Kf is 3.90 °C·kg/mol.  If dissolving an amount…

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Q: g The solubility of CuBr in water at 25 °C is measured to be 0.010 Use this information to calculate…

A: Answer:In a saturated solution, no more solute can be dissolved at the given temperature and at this…

Q: The concentrated sulfuric acid that we use in the laboratory is 98.0% H SO, by mass. Calculate the…

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Q: A solution is prepared by adding 5.0 moles of LINO3 to 50.0 mole of water at 25 °C. Pure water has a…

A: The moles of water = 50.0 molesThe moles of = 5.0 molesThe vapor pressure of pure water  = 24.0…