A student dissolves 6.6g of phenol C6H5OH in 375.mL of a solvent with a density of 0.82/gmL . The student notices that the volume of the solvent does not change when the phenol dissolves in it. Calculate the molarity and molality of the student's solution. Be sure each of your answer entries has the correct number of significant digits.   molarity =   molality =

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Q: What is the freezing point in degrees Celsius of a solution prepared by dissolving 15.6 g aluminum…

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Q: A student dissolves 11. g of glucose (C6H1206) in 175. mL of a solvent with a density of 0.94 g/mL.…

A:

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: Normal saline is a mixture of NaCl in sterile water. Its concentration is 0.900% (g/mL) and mimics…

A: Molarity and molality are concentration terms which tells about the amount of solute present in the…

Q: A student dissolves 7.9 g of resveratrol (C4H120,) in 425. mL of a solvent with a density of 0.90…

A: First we will calculate number of moles of resveratrol. Then calculate molarity and molality of…

Q: A student placed 17.5 g of glucose (C6H12O6) in a volumetric flask, added enough water to dissolve…

A: Mass of Glucose = 17.5 g The volume of water = 100. mL Moles of Glucose = Mass/ Molar mass…

Q: A KCI3 solution contains 105.5 g of KCI dissolved in 250.0 g of water at 60 degree C. Is the…

A:

Q: 2. A solution is prepared by dissolving 10.44 g of NaCl in enough water to make 500.0 mL of…

A: 1 parts per million (ppm) is equivalent to 1 mg/L. Expressing the given concentration in mg/L: 500…

Q: Determine the molality of a solution prepared by dissolving 75g of Ba(NO3)2(s) in 374g of water at…

A: Given that: mass of  Ba(NO3)2(s) = 75 g  mass of water = 374 g  To find: molality of a solution?

Q: What is the freezing point of an aqueous solution that contains 3 moles of the ionic solute CaCl2…

A: Depression in the freezing point is the colligative property in which the freezing point of a…

Q: What is the molality of a solution made by dissolving 34.9 grams of CoCl 2 in 790 grams of water?…

A: Given: Mass of CoCl2 dissolved = 34.9 g. And mass of water i.e. solvent = 790 g = 0.790 Kg…

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: A student dissolves 6.8 g of styrene (CH) in 250. mL of a solvent with a density of 0.89 g/mL. The…

A: The mass of styrene is = 6.8 g The volume of the solvent is = 250. mL The volume of the solution is…

Q: A 50.0-mL solution is initially 1.55% MgCl2 by mass and has a density of 1.05 g>mL. What is the…

A:

Q: A student dissolves 6.4 g of stilbene (C, H,) in 175. mL of a solvent with a density of 1.01 g/mL.…

A:

Q: Convert the concentration of a. 5% (w/v) NaOH solution and b. 10% (w/v) sucrose solution into I.…

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Q: What mass of ethylene glycol (C2H6O2), molar mass 62.1 g/mol), the main component of antifreeze,…

A: the freezing point of the solution = 10.0 °F = (10°F − 32) × 5/9 = -12.22°C Depression in freezing…

Q: What is the molality of a solution made by dissolving 11.7 grams of MnCl 2 in 410 grams of water?…

A: Molality   Molality is a property of a solution and is defined as the number of moles of solute per…

Q: A Vitamin C packet is added to a glass of water containing 500.0 mL of solution. The Vitamin C…

A: We have to predict the concentration in ppm.

Q: A student dissolves 11. g of aniline (C,H,NH,) in 250. mL of a solvent with a density of 1.12 g/mL.…

A: Molarity of solution is defined as number of moles of solute dissolved per litre of solution and…

Q: The molar mass of glucose (C6H1206) is 180 g/mol. Which of the following procedures should you carry…

A:

Q: 1 3. 7 8 A student dissolves 13. g of phenol (CH,OH) in 300. mL of a solvent with a density of 0.93…

A: Known Weight of phenol = 13.0 g Volume of a solvent = 300 mL Density of solvent = 0.93 g/mL Since…

Q: Calculate the molality of a solution prepared by dissolving 13.7 g of sodium hydroxide (NaOH) in…

A: The molality of a solution is calculated by the formula, m=msMs×mS×1000......(1) Where, ms is the…

Q: A student dissolves 1.8 g of stilbene (cH2) in 275. mL of a solvent with a density of 0.90 g/mL. The…

A:

Q: What mass of ethylene glycol (C2H6O2), molar mass 62.1 g/mol), the main component of antifreeze,…

A:

Q: A student dissolves 19. g of benzoic acid (C,H,O2) in 475. mL of a solvent with a density of 1.06…

A: The solute is 19g benzoic acid The solvent is 475ml solvent The density of solvent = 1.06g/ml

Q: A solution of acetic acid, CH3CO2H, is prepared by dissolving 40.0mL of acetic acid in enough water…

A: Volume % = volume of solute/volume of solution*100

Q: Which of the following has the lowest freezing point? O 0.150 m KCI 0.150 m NaCI 0.150 m NaOH 0.150…

A: We have to predict Solution having lowest freezing point.

Q: 5.00 g of solid Al(NO3)3 was added to enough water to make a solution with a total volume of 100.0…

A: Molarity (M) :-  The number of moes of solute dissolved in one litre of solution is known as…

Q: student adds 6.00 g of a solid to 30.0 mL of water. The solid has a molar mass of 72.0 g/mol. What…

A: MW of solid is given, 72 g/mol Moles=672=0.0833 mol Volume of solution = 30 mL = 0.03 L

Q: If 100 mL of a 0.15 M Mg(NO3)2(aq) solution has a density of 1.09 g/mL, which of the following…

A: Given, Volume of solution = 100 mL Molarity of Mg(NO3)2 solution = 0.15 M = 0.15 mol/L Density of…

Q: x olo A student dissolves 7.1 g of aniline (CH,NH,) in 425. mL of a solvent with a density of 0.88…

A:

Q: An isopropyl alcohol solution is prepared by dissolving 10.0 mL of pure isopropyl (C3H80) alcohol, a…

A: Given: Volume of isopropyl alcohol = 10.0 mL density of isopropyl alcohol = 0.786 g/mL Volume of…

Q: A student dissolves 12. g of methanol (CH,OH) in 300. mL of a solvent with a density of 0.95 g/mL.…

A: Molarity is one of the concentration term which is used to define the concentration of a solute in a…

Q: A student dissolves 4.1g of glucose C6H12O6 in 100.mL of a solvent with a density of 1.17/gmL…

A: The number of moles for a given compound or a molecule refers to the ratio of its mass to the…

Q: Vitamin C packet is added to a glass of water containing 770.0 mL of water. The Vitamin C packet…

A: Mass of vitamin C = 1000 mg = 1gm Volume of water = 770 ml  Density of water = 1.00 g/ml Weight of…

Q: A student dissolves 14. g of stilbene (C,H,,) in 450. mL of a solvent with a density of 1.09 g/mL.…

A:

Q: In antifreeze, ethylene glycol (dissolved in water) is 44% volume per volume, Antifreeze has a…

A: Given: %(v/v) of ethylene glycol = 44 % The density of solution = 1.23 g/mL. The density of ethylene…

Q: MOLARITY AND MOLALITY Calculate the molarity concentration of a solution that contains 49.5 g of…

A: Given: Volume of solution = 460 mL = 0.46 L Mass of Ca3(PO4)2 = 49.5 g Molar mass of Ca3(PO4)2,…

Q: 1a. Medical saline typically consists of 4.50 g of NaCl in 500.0 mL of solution. What is the…

A: Given: Amount of NaCl =4.50 g Volume of Solution = 500.0 mL To determine i) Molarity of Solution ii)…

Q: The freezing point of an aqueous solution containing 35 g of an nonelectrolyte in 150 mL water is…

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Q: 8.Ethylene glycol (EG), CH2(OH)CH2(OH), is a common automobile antifreeze. Calculate the freezing…

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Q: Directions: True or False: Write the word "HEAT" if the statement is CORRECT or “COOL" if the…

A: Correct and incorrect statements are given in the following step.

Q: A student dissolves 10. g of phenol (C,H;OH) in 175. mL of a solvent with a density of 1.03 g/mL.…

A: 10g phenol is dissolved  The solvent amount is 175 ml The density of the solvent is 1.03g/ml

Q: A solution of 100 ml of 1.17 % (W/V) NACL is prepared in a laboratory , calculate the NACL…

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Q: A student dissolves 5.2g of ammonia NH3 in 450.mL of a solvent with a density of 1.05 g/mL. The…

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Q: Calculate the Normality of Calcium hydroxide solution containing 6.32g of calcium hydroxide in 5.82L…

A: Given : Mass of calcium hydroxide i.e Ca(OH)2 = 6.32 g And volume of solution = 5.82 L

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: Determine the molality and molarity of a sodium chloride solution prepared by adding 37.60 g of…

A: A) Molality is defined as the moles of solute present per Kg of solvent  => molality = moles of…