The solubility of alum in 25 mL 1.4 M KOH plus 10 mL 9 M H2SO4 (our solution) is approximately 1.0 g at 1.0 °C, and 1.7 g at 6.0 °C.  Estimate the amount of alum left in the solution if the temperature of the solution at the time of filtration was 5.0oC

Q: A solution containing 0.7880g of polymer of unknown structure in 170.0 mL of an organic solvent was…

A: Given that, for a polymer solution, The mass of the polymer in the solution is m2 = 0.7880 g, The…

Q: What mass of non volatile solute sucrose needs to be dissolved in 100g of water in order to decrease…

A: The expression of Raoult's law is shown below: ∆P01P01 =W2 M1M2 W1 where; ∆P01 = change in vapor…

Q: The solubility of an ionic solid in water is quantified by this expression:   Ksp   Kc   Keq   Ka…

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Q: Explain the origin of osmosis in terms of the thermodynamic and molecular properties of a mixture.

A: ANSWER IS DISCUSSED BELOW :

Q: DESCRIBE THE PREPARATION OF 1.0L OF NaOH SOLUTION THAT HAS A NORMALITY OF 0.25N AND (MW NaOH =…

A: The preparation of 1 L of 0.25 N NaOH solution has to be given,

Q: The addition of 10.00 g of a compound to 250 g of naphthalene lowered the freezing point of the…

A: Given: Mass of the compound=10.00g Mass of naphthalene=250g lowered freezing point=1.560K Kf=7.026 K…

Q: The vapour pressure of water and propanol are 71.9 and 74.0 torr respectively. The vapor pressures…

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Q: Estimate the mean ionic activity coefficient of CaCl2 in a solution that is 0.010 mol kg−1 CaCl2(aq)…

A: The ionization of CaCl2 is as follows: CaCl2 (aq) →Ca+2 (aq) + 2Cl- (aq) The concentration of Ca+2…

Q: Given the following data for: Mass of test tube and stearic acid  = 14.17 g Mass of test tube =…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: The Henry's law constant for CO2 (g) in water at 25 C is 29.4 bar M-1. Estimate the concentration of…

A: Henry's Law says:Pressure(gas)=(Henry's Law Constant)*(Molarity of the gas) (i.e. P = Kh C) we are…

Q: Predict the ideal solubility of lead in bismuth at 280 °C given that its melting point is 327 °C and…

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Q: The molal freezing point constant for water is 1.86oC/m.  At what temperature will a mixture of 10.0…

A: Given information: Mass of ionic solid = 10.0 g Mass of solvent = 1.00 kg Molal freezing point…

Q: a. Calculate the solubility of N in 1 L of water at 298 K if its pressure above the solution is…

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Q: 1. The vapor pressure of pure benzene is 12.8 kPa and the vapor pressure of benzene with toluene at…

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Q: Calulated the Normality of NaoH/ of Solution /16g/400ml /Na=23/o=16/H=1

A: Given : mass of NaOH(solute) = 16 g  Volume of solution = 400 ml  To calculate :- Normality of…

Q: The molar conductivity of an electrolyte solution at 298 K is 135.5 S cm? mol1 and its concentration…

A: Molar conductivity = 135.5 S cm2 mol-1  Concentration = 5.35 × 10-2 M We need to find conductivity.

Q: Calculate the formal concentration in molarity of a sodium acetate solution prepared by diluting…

A: Using equation of dilution we can find final concentration of solution.

Q: The vapor pressure of benzene is 53.3 kPa at 60.6°C, but it feil to 49.51 kPa when 19.0 g of a…

A: Given that, Vapor pressure of benzene = 53.3 kPa Vapor pressure of benzene solution (after mixing…

Q: The addition of 10.00 g of a compound to 250 g of naphthalene lowered the freezing point of the…

A: The given data contains, 10 g of a compound is added to 250 g of naphthalene lowered the freezing…

Q: The osmotic pressure of a solution of 375.5 mg of an unknown protein per 25.0 mL solution was found…

A: Given: The osmotic pressure is 3.22 torr. The temperature is 25 °C. The mass of protein is 375.5 mg.…

Q: Calculate the formal concentration in molarity of a sodium acetate solution prepared by diluting…

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Q: What mass of a non-electrolyte solute is required, when mixed with 225 g H2O, to change the…

A: The vapor pressure of a pure solvent (p0) is lowered (to let's say 'p') on adding a non-volatile…

Q: Calculate the formal concentration in molarity of a sodium acetate solution prepared by diluting…

A: The ppm is parts per million. This is one type of measurement of concentration of the solution.…

Q: A student using a calibrated solution calorimeter measured a temperature decrease of 1.10 K when…

A: Given: Temperature of the solution with calorimeter decreased = 1.10 K Mass of KNO3 added = 1.00 g.…

Q: Calculate the solubility of 1,4-dibromobenzene in benzene at 25.000C and at 45.000 assuming that…

A: Given that, The enthalpy of fusion of 1,4-dibromobenzene is 20.39 kJ/mol and its melting point is…

Q: The addition of 100 g of a compound to 750 g of CCl4 lowered the freezing point of the solvent by…

A: Given details, The mass of the compound is 100 g. The mass of CCl4 is 750g. Lowered the freezing…

Q: The vapor pressure of an aqueous sucrose (C12H22O11) solution decreases by 0.475kPa at 25.0°C.…

A: Vapour pressure of sucrose 0.475kPa. Temperature 25.0°C.=298 k. We have to find  concentration of…

Q: The vapour pressure of benzene is 53.3 kPa at 60.6 °C, but it fell to 51.5 kPa when 19.0 g of a…

A: From the given data, at 60.6 °C, the vapour pressure (po) of pure benzene is 53.3 kPa. On adding the…

Q: Estimate the vapour pressure of sea water at 20 °C given that the vapour pressure of pure water is…

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Q: you dissolve 1.0g of the enzyme in water to make 250mL of solution. You measure the osmotic pressure…

A: Mass of enzyme = 1 g Osmotic pressure = 3.5 torr = 0.0046 atm Temperature, T = 298 K Volume of…

Q: Explain the concept of partial molar volume, and justify the remark that for a binary solution, the…

A: We need to explain the concept of partial molar volume, and justify the remark that for a binary…

Q: The osmotic pressure of an aqueous solution at 300 K is 120 kPa. Estimate the freezing point of the…

A: Given data, The osmotic pressure of the aqueous solution = 120 kPa Temperature = 300 K The freezing…

Q: The vapour pressures of benzene and methylbenzene at 20 °C are 75 Torr and 21 Torr, respectively.…

A: Given data: Vapour pressure of benzene (POA) = 75 torr Vapour pressure of methyl benzene (POB) = 21…

Q: Glucose from molasses is fermented to alcohol using S. cerevisiae where 500 ml of CO2 (at standard…

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Q: Calculate the ideal solubility of anthracene in benzene at 20°C , given that the enthalpy of fusion…

A: Given that :Enthalpy of fusion∆Hfus = 28.8kJ/mol = 28800 J/mol Melting point = 217°C = 490K…

Q: A solution is prepared by dissolving iodine, I2, in tetrachloromethane,CCI4 at 25 °c. What are the…

A: According to the mole concept, in terms of mass, the amount of substance in moles is equal to the…

Q: What is the vapor pressure of benzene when .75 mol of naphthalene is mixed with 1.00 kg of benzene?…

A: MC6H6= 78 g/mol nnapththalene  = 0.75 mol. W C6H6 = 1 Kg = 1000 g nC6H6 = W C6H6/MC6H6= 1000g/(78…

Q: Phenol (C6H5OH) is partially dimerized in the solvent bromoform. When 2.58 g of phenol is dissolved…

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Q: The enthalpy change accompanying the dissolution of a solute B in 1000 g water is dependent on the…

A: Given - Delta H = 40n + 30n2 were, n= moles of B Delta H = enthalpy change for dissolution of B in…

Q: eaction between H, SO, and LİOH in aqueous solution. Phases are

A: In the balanced chemical reaction number of atoms of each element in product side is equal to number…

Q: The addition of 5.00 g of a compound to 250 g of naphthalene lowered the freezing point of the…

A: Given: Depression in freezing point = 0.780 K Freezing constant: Weight of solute (w) = 5 g Weight…

Q: A solution is prepared by dissolving 22.4 g of MgCl2 in 0.200 L of water. Taking the density of pure…

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Q: Calculate the osmotic pressure of a solution (density = 1.02 g/cm') containing 50 g glucose (CH,O6)…

A: Osmotic pressure can be calculated by using formula π= CRT  Where  π= osmotic pressure C =…