A student dissolves 9.0 g of resveratrol (C„H,,0,) in 225. mL of a solvent with a density of 0.86 g/mL. The student notices that the volume of the solvent does not change when the resveratrol dissolves in it. Calculate the molarity and molality of the student's solution. Round both of your answers to 2 significant digits. molarity molality olo

Q: 13. What is the molality of a solution when 12 g of NH3 (17.031 g/mol) is dissolved in 250 g water?…

A: Molality (m) : Number of moles of solute (n) present in 1Kg of solvent (W) is called molality (m)…

Q: A student dissolves 19. g of glucose (CH,20,) in 250. mL of a solvent with a density of 0.84 g/mL.…

A: Mass of glucose = 19 g Volume of solvent = 250 mL Density of solvent = 0.84 g/mL Molarity =?…

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 dissolves 12. g of sucrose (C12H0) in 150. mL of a solvent with a density of 1.06 g/ml.…

A: Weight of sucrose=12g Solvent volume=150mL Density=1.06g/mL

Q: A solution has a solvent volume of 250. mL and contains 54.8 g of Na2SO4 . What is the molality of…

A: Molarity is the ratio of the number of moles of solute dissolved in one liter of a solution. unit of…

Q: Available was 250.00 ml of a 15.67 M H,S0, solution (density 1.7872 g/mL). Assume you pipetted 70.00…

A: Hii there, since there are multiple questions posted. we are answering first question. if you need…

Q: A student dissolves 6.8 g of resveratrol (C1H,,03) in 175. mL of a solvent with a density of 1.04…

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Q: A student dissolves 20. g of glucose (C,H,,0,) in 100. mL of a solvent with a density of 0.96 g/mL.…

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Q: 4. Determine the % by mass of the solute, mole fraction molarity and molality if 106.50 g Sodium…

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Q: A student dissolves 2.2 g of urea CO in 175. mL of a solvent with a density of 0.89 g/mL. The…

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Q: A student dissolves 6.6g of phenol C6H5OH in 375.mL of a solvent with a density of 0.82/gmL…

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

Q: In an experiment, a group of students dissolved 4.67 g of toluene in 67.8 g of cyclohexane. What was…

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Q: Calculate the molality of the following solution: 65g of KCl in 46.6g of water.

A: Given, mass of KCl = 65 g we know, molar mass of KCl = 74.5513 g/mol => moles of KCl = mass of…

Q: A student dissolves 8.4 g of benzoic acid (C,H,O,) in 300. mL of a solvent with a density of 0.93…

A: Given, The mass of benzoic acid (C7H6O2) = 8.4 g. The volume of solvent = 300. mL The density of the…

Q: What is the Molarity of a solution formed from dissolving 22.3 g sugar (Molar mass = 342.296 g/mol)…

A: Given weight of sugar= 22.3 g Molar mass of sugar= 342.296 g/mol Volume, V= 500 ml Number of…

Q: Calculate the molality of a solution formed by adding 6.832 g of methanol (CH3OH) to 100.00 mL of…

A: Molality is defined as number of moles of solute dissolved per kilogram of solvent.

Q: A student dissolves 7.4 g of glucose (CH,0,) in 150. mL of a solvent with a density of 1.11 g/mL.…

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Q: aqueous solution is 21.9%. What is the molality of the ethanol solution?

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Q: A solution is made using 126.9 mL of ethanol (density 0.7892 g/mL) and 350.0 mL of water (density…

A: Given: The volume of ethanol = 126.9 mL The density of ethanol = 0.7892 g/mL The volume of water =…

Q: A student dissolves 6.1 g of styrene (C3H3) in 225. mL of a solvent with a density of 0.87 g/mL. The…

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Q: A student dissolves 4.9g of methanol CH3OH in 275.mL of a solvent with a density of 1.06/gmL…

A: Given information: Mass of solute = 4.9 g Volume (V) = 275 mL                      = 0.275 L Density…

Q: A solution is made using 200.0 mL of methanol (density 0.792 g/mL) and 300.0 mL of water (density…

A: Mass of methanol is calculated as,

Q: Which of the following solutions does have a greater solute concentration in molality (m)? Solution…

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

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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 student dissolves 2.5 g of phenol (C,H,OH) in 350. mL of a solvent with a density of 1.12 g/mL.…

A: Molarity is defined as the number of moles of solute dissolved in one liter of solution Whereas,…

Q: alculate the molality of a 6.45 M ethanol (C2H5OH) solution whose density is 0.9255 E/mL. 7.89 m B)…

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Q: A student dissolves 19. g of methanol (CH,OH) in 425. mL of a solvent with a density of 0.98 g/mL.…

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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…

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Q: Suppose you have 1.7 g NaCl in 100.0 g of water. Calculate the molality based on the molar mass.…

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Q: How do you find molality given mass, volume, and temperature?  The question is: 13.120 g of sodium…

A: The value of temperature is used for finding the density of the water  since at 23.8 °C, density of…

Q: Molality (m) Calculate the molality of a solution that contains 27.5 g barium chloride (BaCl2) in…

A: Given, mass of barium chloride =27.5 gramvolume of water =100 mL we are asked to calculate the…

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

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Q: A student dissolves 12. g of benzoic acid (C,H,0,) in 100. mL of a solvent with a density of 0.88…

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

Q: A solution is made using 256.0 mL of phenol (density 1.070 g/mL) and 400.0 mL of water (density…

A: Molality: it is a concentration term. It may be defined as no. of moles of solute present per…

Q: A solution is made using 130.0 mL of acetonitrile (density 0.7766 g/mL) and 250.0 mL of water…

A: density of acetonitrile=0.7766g/mldensity=mass of acetonitrilevol. of…

Q: A student dissolves 17. g of sucrose (C,H„01) in 250. mL of a solvent with a density of 1.04 g/mL.…

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Q: A student dissolves 12. g of phenol (CH OH) in 350. mL of a solvent with a density of 1.12 g/mL. The…

A: given that:  Mass of phenol(solute)= 12.g  Volume of solvent = 350.ml Density = 1.12g/ml Volume does…

Q: A solution is made using 125.4 mL of ethanol (density 0.7892 g/mL) and 350.0 mL of water (density…

A: Mass of ethanol = density of ethanol × Volume = 0.7892 g/ml × 125.4 ml = 98.965 g So, no. of moles…

Q: 1. A 11.3 mL sample of methanol CH3OH ( d = 0.793 g/mL; Molar mass 32.04) is dissolved in sufficient…

A: Answer-a Volume % of methanol=Volume of methanolVolume of solution×100%Volume % of…

Q: A student dissolves 5.6 g of biphenyl (C,,H10) in 425. mL of a solvent with a density of 1.15 g/mL.…

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Q: A student dissolves 15. g of ammonia (NH,) in 325. mL of a solvent with a density of 1.09 g/mL. The…

A: Molarity = 1000 x W/(MM x V) Where, W = mass of solute in g, V = volume of solution in mL and MM =…

Q: When 4.30 g4.30 g of a nonelectrolyte solute is dissolved in water to make 935 mL935 mL of solution…

A: We have the equation relating the osmotic pressure with concentration as  π = cRT  Where, c =…

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 student dissolves 8.3 g of phenol (C,H,OH) in 325. mL of a solvent with a density of 1.12 g/mL.…

A: Molality - It is defined as moles of solute dissolved per kilogram of solution. Its unit is moles/kg…

Q: A student dissolves 8.9 g of methanol (CH,OH) in 175. mL of a solvent with a density of 0.88 g/mL.…

A: given mass of methanol = 8.9 g volume of solution = 175 ml density of solution = 0.88 g/mol

Q: A solution was made by dissolving 10.000 g of NaCl (58.44 g/mol) in 150. mL (assume 1g/mL) of water.…

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Q: A 0.396 molal glucose solution has density of 1.16 g/mL. What is the molarity of glucose in this…

A: Molality of glucose, m = 0.396 molal Density of glucose, d = 1.16 g/mL Molarity of glucose, M = ?…

Q: A student dissolves 14. g of aniline (C,H,NH,) in 200. mL of a solvent with a density of 0.90 g/mL.…

A: