A 30.00-mL sample is taken from an aqueous solution at 15°C. What volume does it occupy at 40°C and at 5°C?

Q: A solution is prepared by dissolving 40.00 g of MgCl2 (f.w. = 95.211 g mol–1), a non-volatile…

A: Given,  Mass of non-volatile solute, MgCl2 = 40.00 g  Molar mass of MgCl2 = 95.211 g/mole  Volume of…

Q: calculate the molar mass of the polymer. Take the density of the solution to be 0.886 g cm

A: Organic solvent  tetrahydrofuran (C4H8O) The osmotic pressure () can be calculated from the…

Q: The partial molar volumes of acetone and chloroform in a mixture in which the mole fraction of…

A: Given, The partial molar volume of acetone and trichloromethane in a mixture in which the mole…

Q: The solubility of NH4B is 38g/100 mL of water at 20°C and 65g/100 mL at 80°C. 1. I add a certain…

A: saturated solution :- solution in which the maximum amount of solute dissolved or the Equilibrium is…

Q: A solution is prepared by dissolving 40.00 g of MgCl2 (f.w. = 95.211 g mol–1), a non-volatile…

A: Given: Mass of MgCl2 = 40.00 g  Volume of solution = 2 L And temperature = 25 oC

Q: a2 18. If 0.1 M H2SO4(aq.) solution shows freezing point -0.3906°C then what is the K₁₂ for H2SO4?…

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Q: What is the solubility of nitrogen gas, in mg/100 g H₂O at 25°C? Answer in a complete sentence.…

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Q: solution is prepared by dissolving 40.00 g of NaCl (f.w. = 58.44 g mol–1), a non-volatile solute, in…

A: Given : Mass of solute = 40g Density = 1.000g/ml

Q: Calculate the DGmix, DSmix, DHmix, and DVmix for a solution prepared by mixing 2 moles of benzene…

A: Given the moles of benzene, nb = 2 mol Moles of toluene, nt = 3 mol Total moles = (3+2) mol = 5 mol…

Q: Solute S has a distribution constant of 4.7 between water (phase 1) and hexane (phase 2). A 75.0 mL…

A: Volume of water V1 = 75.0 ml Volume of hexane V2 = 13.0 ml Number of phases (n) = 7 Distribution…

Q: The solubility of pure oxygen in water at 20.0°C and 760 torr is 4.30 × 103 g O₂ per liter H₂O. When…

A: Answer:Henry's law gives us a relation between partial pressure of a gas and its solubility in a…

Q: A solution consisting of 0.350 mol of anisole, (C6H5OCH3,in 258 g of benzene, (C6H6, freezes at…

A: When a solute is dissolved in the water, the vapor pressure of the solution is lower than the pure…

Q: A certain liquid X has a normal freezing point of 3.70 °C and a freezing point depression constant…

A:

Q: A certain amount of the Butylated hydroxvanisole (BHA) was dissolved in 21.0 g of trichloromethane…

A:

Q: What is the molarity of HCl in an aqueous solution in which the mole fraction of HCl is 0.220

A: The total mass of the solution is determined as follows.

Q: The heterocyclic organic compound Furan, C4H4O, is widely used as an intermediate in the fabrication…

A: Volume can be calculated by the given formula,                                               Volume…

Q: The solubility of pure oxygen in water at 20.0°C and 760 torr is 4.30 x 10°g O2 per liter H₂O. When…

A: Solubility of oxygen at 760 torr is 4.3 mg per liter of water.Conc. of O2 = 4.3/32 = 0.1344 mM

Q: A 3.40-g sample of a mixture of naphthalene (C₁₀H₈) and pyrene (C₁₆H₁₀) is dissolved in 35.0 g…

A: Assuming mass of naphthalene in the mixture is y. Hence mass of pyrene = mass of mixture - mass of…

Q: Assuming that the volumes are additive, what volume of water must be added to 35mL of 15%  KOH to…

A: Initial volume =35ml Initial strength Percentage =15% Final strength percentage =10%

Q: The solubility of nitrogen gas in water at 25 °C and pressure 1 bar is 6.3 x 10-4 mol/L. Calculate…

A:

Q: A 13.0-mL sample of saturated I2 (aq) is shaken with 13.0 mL of CC4. After equilibrium is…

A: Given:   Initial concentration of I2  =  1.3 x 10-3 M Volume of I2 sample =  13 mL K =  85.5

Q: g at 10. °C. Calculate the volume of a saturated solution of M in mL The solubility in acetonitrile…

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Q: The vapor in equilibrium above a hexane-pentane solution at 25°C has a mole fraction of hexane equal…

A: As per Dalton's law, the mole fraction of the component in the vapor phase is given by the…

Q: Assuming that NaCl will dissolve perfectly and form an ideal solution, what mass of NaCl is needed…

A: The freezing point depression is calculated by using the following formula. ∆Tf = m×Kf Where, Kf =…

Q: The following molarities were calculated from replicate standardizations of a NaOH solution: 0.502…

A: In order to find the range, we have to find the 90% confidence interval of the replications of NaOH…

Q: Solute S has a distribution constant of 4.9 between water (phase 1) and hexane (phase 2). A 89.0 mL…

A: The given information is: Distribution constant = 4.9 Volume of phase 1 = 89.0 ml Volume of phase 2…

Q: Solute S has a distribution constant of 5.1 between water (phase 1) and hexane (phase 2). A 71.0 mL…

A: Given that, The distribution constant of a solute S between the water (phase 1) and hexane (phase 2)…

Q: What is the concentration in molarity of an aqueous solution which contains 1.91% by mass ethylene…

A:

Q: ST5G.1- What is the approximate solubility [in units of MILLImolar] of an ionic compound M2X3 with…

A:

Q: Some water dissolves in liquid methane at -161°C to givea solution in which the mole fraction of…

A: Given: Temperature = -161°C Mole fraction of water (χwater) = 6.0×10-5 Volume of solution (V) = 1.00…

Q: A solution is prepared by adding 425g of AgNO3 to 0.150L of water at 40.0∘C. The solubility of AgNO3…

A: The solubility of a compound is the dissolution of a solute in the solvent. It is measured in the…

Q: Assume that the solubility of carbon dioxide gas in pop at 5°C is 0.586 g/100mL (supersaturated) and…

A: Given that solubolity of CO2 gas in pop at 5°C is 0.586 g/100 mL and at 20°C is 0.169 g/100 mL.We…

Q: The Henry’s law constant for the solubility of radon in water at 300C is 9.57 x 10-6 M/mm Hg. Radon…

A:

Q: 7. Giving reasons, predict whether the aqueous solutions of the following compounds are acidic,…

A: Given aqueous solutions (i) HCl (ii) KBr (iii) Ethyl alcohol (iv) NH4OH