Determine the number of grams of water which are required to dissolve 25g of KNO3 at 100 degrees Celsius.

Q: Calculate the freezing point of a solution of 35.0 g methyl salicylate, C7H6O2, dissolved in 800. g…

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Q: The Henry's Law constant of methyl bromide, CH3Br, is k=0.159 mol*(L*atm) at 25 degree celcius. What…

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Q: When 904. mg of a certain molecular compound X are dissolved in 60.0 g of benzonitrile (CHCN), the…

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Q: Q5: Determine the osmotic pressure of a solution prepared by dissolving 2.5 x 10 g of K₂SO4 in 2L of…

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Q: The Henry’s law constant (kH) for O2 in water at 20°C is 1.28 x 10-3 mol/L⋅atm. (a) How many grams…

A: Given: The Henry's law constant for water = 1.28×10-3 mol/ L.atm Volume of water= 2.50L

Q: If the partial pressure of O2 is 38.mmHg , the mass of O2(in mg) that can dissolve in 1.00L water at…

A: Given: Pressure = 38 mm Hg Convert mm Hg into atm as follows. Volume = 1.00 L Temperature = 25…

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

A: Molar Mass of napthalene (C10H8) = 128 g/mol Molar mass of pyrene (C16H10) = 202 g/mol Mass of…

Q: When 2.06 g of a certain molecular compound X are dissolved in 90. g of benzene (CH), the freezing…

A: mass of solute = 2.06 g mass of solvent = 90.0 g Solvent = benzene Freezing point = 3.5 oC

Q: The molal freezing point depression constant K,=2.51 °C·kg•mol -1 for a certain substance X. When…

A: Given that:  Mass of urea = 6.12 g  Mass of X = 100.g  Kf of X solvent = 2.51°C.kgmol-1 Freezing…

Q: When 116. mg of a certain molecular compound X are dissolved in 60.0 g of cyclohexane C6H12, the…

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Q: Calculate the freezing point of a solution prepared by dissolving 3.17 g Ca(ClO3)2 in 452.6 g H2O.

A: When a solute added to solvent it's freezing point decrease

Q: A solution was prepared by dissolving solute T in 120 g benzene. The freezing point of this solution…

A: Given : Mass of solvent i.e benzene = 120 g = 0.120 Kg                                     (since 1…

Q: Compound XY is an ionic compound that dissociates as it dissolves in water. The lattice energy of XY…

A: Given:             Lattice energy = -595.6 KJmol-1             Hydration energy of ions = -612.4…

Q: Osmotic pressure can be very useful for estimating the molecular weights of macromolecules for whom…

A: For part (a): The mass of protein = 1.364 g The molar mass of the protein = 1.78 × 104 g/mol The…

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: When 498. mg of a certain molecular compound X are dissolved in 25.0 g of dibenzyl ether…

A: A numerical problem based on properties of liquids. A set of data for depression of freezing point…

Q: A solution consisting of a molecular substance of mass 1.14 g dissolved in 100. g of camphor freezes…

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Q: Determine the number of grams of water which are required to dissolve 2.0g of CuS04 , 5H2O at 100…

A: Solubility is defined as the maximum amount of solute that must be added in a known amount of…

Q: Compound XY is an ionic compound that dissociates as it dissolves in water. The lattice energy of XY…

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Q: A certain liquid X has a normal freezing point of −6.30°C and a freezing point depression constant…

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Q: A certain liquid X  has a normal freezing point of  −3.40°C  and a freezing point depression…

A: Given information: Mass of ionic solid = 800 g Molal freezing point constant for X (Kf) = 4.99 °C/m…

Q: The molal freezing point depression constant =Kf·7.96°C·kgmol−1 for a certain substance X. When…

A: Answer: We will calculate the depression in freezing point using following formula:…

Q: When 4.13 g of a certain molecular compound X are dissolved in 35. g of cyclohexane (C6H₁2), the…

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Q: Solutions of hydrogen in palladium may be formed by exposing Pd metal to H2 gas. The concentration…

A: A solution is a homogeneous mixture of two or more components. Solution is always consists of solute…

Q: When 5.71g of naphthalene is added to 152g of benzene the solution freezes at 3.98 degrees Celsius.…

A: Recall the data from the question, mass of naphthalene=5.71 g mass of solvent=152 g  Solvent in…

Q: The normal freezing point of a certain liquid X is 4.60°C, but when 40.g of iron(III) nitrate…

A: We know that, depression in freezing point in terms of Van’t Hof factor is given by,…

Q: When 8.79g of benzoic acid, C7H6O2, are mixed with 325g of phenol, the mixture freezes at 39.26°C.…

A: step: 1 of 3 The mass of benzoic acid () is 8.79 g and mass of phenol is 325 g. We know that, The…

Q: The molal boiling point elevation constant =Kb·0.53°C·kgmol−1 for a certain substance X. When 7.3g…

A: We will calculate boiling point of pure solvent.

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

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Q: Compound XY is an ionic compound that dissociates as it dissolves in water. The lattice energy of XY…

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Q: A certain liquid X has a normal freezing point of 7.00°C and a freezing point depression constant…

A: For an ideal solution containing a strong electrolyte, Raoult's law states that: ∆Tf=i.Kf.C Where:…

Q: What is the osmotic pressure formed by dissolving 44.2 mg of aspirin 1C9H8O42 in 0.358 L of water at…

A: The properties associated with the solution due to the presence of the non-volatile solute of a…

Q: Determine the mass percent composition of a solution made by dissolving 55.6 g of KF in 898 g of…

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Q: A certain liquid  X  has a normal boiling point of  105.30°C  and a boiling point elevation…

A: Mass of ZnCl2=52 g Molar mass of ZnCl2 =136.3 g/mol Moles of ZnCl2 =52 g/(136.3 g/mol) Mass of…

Q: Assuming complete dissociation of the solute, how many grams of KNO3 must be added to 275 mL of…

A: Given : Freezing point of solution = -14.5 ⁰C  Volume of solvent = 275 ml  Kf = 1.86 ⁰C kg mol-1