Q: What is the minimum mass of ethylene glycol (C₂H₆O₂)that must be dissolved in 14.5 kg of water to…
A: Depression of freezing point ( ∆Tf ) : The formula to calculate elevation in Boiling point ∆Tf is :…
Q: What mass of NaNO3 should be dissolved in 45 mL of water so that the resulting solution freezes to…
A:
Q: How many grams of NaCl (molar mass = 58.44 g/mol) needs to added to 0.500 kg of water to create a…
A: Molality = number of moles of solute/Mass of slovent in kg Number of moles of solute = Mass of…
Q: Calculate the molality of a solution containing 119g of glucose (C6H1206) in 2322 g of ethanol.
A: • The values provided in the question are:- i) Mass of a glucose (solute), W2 = 119 g ii) Molar…
Q: Calculate the molality of each of the following solutions: (a) 8.66 g of benzene (C6H6) dissolved in…
A: (a)Number of moles of benzene is determined to calculate its molality.
Q: What is the minimum mass of ethylene glycol (C2H6O2) that must be dissolved in 14.5 kg of water to…
A:
Q: What mass of glucose (C6H12O6) should be dissolved in 10.0 kg of water to obtain a solution with…
A: Depression in freezing point of a solution is given by: where ∆Tf is the depression in freezing…
Q: What is the freezing and boiling point of an electrolyte solution containing 5.0 grams sodium…
A: You have given the following data - mass of solute, w = 5..0 g Volume of Solute, V = 800 mL = 0.800…
Q: What is the molality (m) of a solution prepared by dissolving 2.00 mL of bromine (d = 3.103 g/mL,…
A: Given : volume of bromine = 2 mL with density = 3.103 g/mL and volume of ethyl acetate = 150 mL with…
Q: what mass of water should be used to dissolve 20 grams of ethanol, to prepare 0.0500 molal solution…
A:
Q: n aqueous solution of concentrated nitric acid (HNO3) is 70.0% by mass. What is molality of this…
A: Molality is a property of a solution and is defined as the number of moles of solute per kilogram of…
Q: What mass of glycerin (C3H8O3) must be dissolved in 165.7 g water to give a solution with a freezing…
A: Depression in freezing point is a colligative property. And colligative properties depend on the…
Q: What mass of NaCl is dissolved in 100.g of water in a 0.050 molal solution?
A: Molality of given NaCl solution is 0.050 molal. It implies that 0.050 moles of NaCl is present in…
Q: A solution is prepared by dissolving 4.00 g of NaOH in 100.00 g of water. The volume of the…
A: Given data mass of NaOH added = 4.00 g mass of water used = 100.00 g Volume of solution = 102.00 mL…
Q: (a) What is the molality of a solution formed by dissolving 1.12 mol of KCl in 16.0 mol of water?…
A: Molality is unit of concentration and is defined as the number of moles of solute per mass of the…
Q: In how many grams of water should 20.10 g of potassium nitrate (KNO3) be dissolved to prepare a…
A: The concentration of a solution says about the amount of solute that is present in the solvent…
Q: Calculate the molality of a solution that contains 1.43 g carvone in 15.2 mL of ethanol (density…
A: Molar mass of carvone is 150.22 g/mol.Number of moles of carvone can be determined as follows,
Q: Calculate the molality of a solution containing 10.8 g of ethylene glycol (C2H6O2) in 360 g of…
A:
Q: Determine the mass of LiBr required to produce a 0.4889 molal solution by dissolving LiBr in…
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Q: 3. Calculate the molality of the solution prepared by dissolving 34.3 g of glucose (C6H12O6) in 321…
A: Molality is defined as number of solute present in 1000g of solvent. Mole= MOLAlity×mass of solvent…
Q: Please help me
A: The number of moles of solute to the weight of the solvent in (kg) is known as molality.
Q: Calculate the molality of a solution formed by adding 5.60 g NH4Cl5.60 g NH4Cl to 12.4 g12.4 g of…
A:
Q: What are the mole fraction and molality of a solution that contains 0.850 g of ammonia, NH3,…
A: Given: Mass of ammonia = 0.850 g Mass of water = 125 g To find: Mole fraction? Molality?
Q: What mass of water must be used to dissolve 20.0 grams of ethanol, C2H5OH, to prepare a 0.0500 molal…
A: Given :- Mass of ethanol = 20.0 g Molality of solution = 0.0500 molal or 0.0500 mol/kg To…
Q: The density of an aqueous solution containing 10.0 percent of ethanol (C2H5OH) by mass is 0.984…
A:
Q: What is the molality of a solution prepared from 47.2 g KBr in 500.0 mL of water at 25ºC? Assume the…
A: Given Mass of KBr = 47.2 gram Volume of water = 500 mL Density of water = 1 gram/mL Molality…
Q: What mass of glycerin (C3H8O3), a nonelectrolyte, must be dissolved in 200.0 g water to give a…
A: As we know, ΔTf = Kf.m.iwhere:ΔTf = reduction of freezing from 0 degree celcius = 0 -(-3.60) = 3.60…
Q: A solution with 1.0 mol C2H5OH in 100g of solvent has the same molality as a solution with 1.0 mol…
A:
Q: Please help
A: The molality (m) of the solution is calculated as shown in equation (1) where m is the magnesium…
Q: how would you prepare a 1.50 molal solution of sucrose in water ? at what temperature would the…
A: The concentration is also expressed in terms of molality. The formula of molality is as follows, To…
Q: Aqueous ethanol solutions are prepared by mixing measured weights of assayed ethanol and…
A: Given that : % mass of ethanol in the aqueous solution = 26.8 % Atomic mass of C = 12.01 g/mol…
Q: 3. Calculate the molality of the solution prepared by dissolving 34.3 g of glucose (CH12O6) in 321 g…
A: The mass of glucose, the solute is = 34.3 g The mass of water, the solvent is = 321 g The molar mass…
Q: 44. Calculate the molarity and molality of 268.3 mL of a solution containing 0.5142 mol of CsCl and…
A: The molarity of the solution is defined as the no. of moles of solution per liter of…
Q: A solution is made using 90.1 g of dimethyl ether (molar mass = 46.07 g/mol) and 110.0 g of methanol…
A: Given Mass of dimethyl ether = 90.1 g Mass of methanol = 110.0 g
Q: 4. Calculate the mole fraction of each component of a solution containing 65 g of ethanol in 350 g…
A:
Q: What is the molal concentration of a sugar solution that freezes at -0.93°C?
A: Given: The freezing point of the solution= -0.93°C Cryoscopic constant of water= (Kf)= 1.853 K kg…
Q: An ethanol water solution is prepared by dissolving 10.00 mL of ethanol, CH3CH2OH (density = 0.789…
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Q: Aqueous ethanol solutions are prepared by mixing measured weights of assayed ethanol and…
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Q: What is the molality of a solution with a percent mass of 33.5% of sodium perchlorate?
A:
Q: What molal solution is made when adding 90 grams of K2SO4 to 0.55 kg of water?
A: Morality is defined as number of moles of solute dissolved in per kg of solvent. It is denoted by…
Q: The molal concentration of a solution made by dissolving 3.5 g of CaCl2 (110.98 g/mol) in 353 g of…
A: Given :- mass of CaCl2 = 3.5 g Mass of water = 353 g To calculate :- molality of molal…
Q: What is the molality of a solution containing 6.85 g of urea [(NH2),CO] in 177.5 g of water?
A: Molar mass of urea = 60 gm
Q: solution is prepared by dissolving in 3.00 g of naphthalene ( C10H8 ) in 20.0 g of benzene ( C6H6).…
A: Freezing point depression and boiling point elevation property of solution are colligative property…
Q: Calculate the molality of each of the following solutions: (a) 8.66 g of benzene 1C6H62 dissolved in…
A: Given data are as follows for a) 8.66 g of benzene 23.6 g of carbon tetrachloride for b) 4.80 g of…
Q: what is the molality of a 0.3 osmolal solution of CaCl2
A: Given: The osmolality of the CaCl2 solution = 0.3 osmolal CaCl2 is made up of three ions, i.e., Ca2+…
Q: b) List the following solutions in order of decreasing freezing point: 0.04 molal glycerol (C3H8O3);…
A: b) Given: Molality of C3H8O3 = 0.04 m Molality of KBr = 0.025 m And molality of C6H5OH = 0.030 m
What mass of BaCl2 is needed to be dissolved in 1200 g of water to prepare 0.5-molal BaCl2 solution?
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