The density of the aqueous solution of 2,238 molal H2SO4 is 1,243 g / mL. Calculate the molarity of H2SO4. (H: 1, O: 16, S: 32 g / mol)

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A: 11.58 The concentration of an acid solution is defined as the number of moles of acid per litre of…

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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: 1. Calculate the freezing and boiling points of a solution prepared by dissolving 15.5 g of Al(NO3)3…

A: Depression in freezing point: ∆Tf =i×kf ×m  0 - Tf = 4 x 1.86 x 15.5×1000212.996×200.0  Tf = - 2.707…

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A: (a)Number of moles of benzene is determined to calculate its molality.

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A: Given data Composition of elements in Nicotinamide Elements % composition C 59 N 22.9 H 5…

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A: Given, mass of insulin =7 g temperature of solution=25°C=25+273.15 K=298.15 K R(universal gas…

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: The vapor pressure of ethanol is 54.68 mm Hg at 25 °C. A nonvolatile, nonelectrolyte that dissolves…

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Q: 3. The concentrated sulfuric acid we use in the laboratory is 98.0 percent H2SO4 by mass. Calculate…

A: d = 1.83 g/mL M(H2SO4) = 98.08 g/mol then we have to calculate molarity of total solution,

Q: 9.) What is the percent CdSO4 by mass in a 1.79 molal aqueous CdSO4 solution?

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A: We have to find How many grams of Na2So4 should be added to 275 ml of water to prepare a0.75…

Q: What is the vapor pressure of a 45.0% (by mass) solution of glucose, C6H12O6, at 90.0°C, given that…

A: Given  Weight of glucose = 45g  Weight of water =  100-45 = 55 g  Vapour pressure of pure water P01…

Q: 2. A non volatile, non electrolyte that dissolves in the organic solvent toluene, C7H8, is…

A: According to Raoult's law :-  " The relative lowering vapour pressure ( RLVP ) of a dilute solution…

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A: As we know, ΔTf = Kf.m.iwhere:ΔTf = reduction of freezing from 0 degree celcius = 0 -(-3.60) = 3.60…

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A: First to calculate moles.  Then using density to calculate volume.  Then to calculate molarity.

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Q: Which aqueous solution would exhibit a lower freezing point, 0.35 M K2SO4 or 0.50 M KCl? Explain.

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Q: 0.163 M solution of MgCl₂ at 37.0 °C? (assume complete dissociation).

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Q: What molal solution is made when adding 90 grams of K2SO4 to 0.55 kg of water?

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