Q: 1. What is the gravimetric factor of SO3 in BaSO4? NOTE: Present complete solution and also the…
A: Answer:- This question is answered by using the simple concept of calculation of gravimetric factor…
Q: 4. An aqueous solution of ferric hydroxide has a specific gravity of 1.25 and a weight fraction of…
A: Answer: Specific gravity is the ratio of density of a substance to the density of water and because…
Q: If the solubility of O2 at 0.160 bar and 25°C is 6.65 g/100 g H2O, what is the solubility of O2 at a…
A: Data given: The solubility of O2 = 6.65 g/100 g (at 0.160 bar and 25°C) The solubility of O2 = ? (at…
Q: Tube 1 and Tube 2: at 20C and 4 mL(0,1M NaOH) and 10 mL Benzoic acid,solution concentration .…
A: Given data: Volume of NaOH = 4 mL Volume of benzoic acid = 10 mL Temperature = 20C Density = 1g/mL
Q: The separation of aromatic compounds from paraffins is essential in producing many polyesters that…
A: The ratio of mass of particular element to the total mass multiply by 100 is known as % by mass.
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: You have an aqueous solution of pyridinium chloride (C6H5N'HCI) and you want to extract it with a…
A: Like dissolved like, polar compounds are soluble in polar solvent and nonpolar ones are soluble in…
Q: removed from water using benzene(C6H6) as the extraction solvent. Benzene and water are immiscible.…
A:
Q: 6. Write True or False and explain your answer. CHCI-Acetone system is an ideal solution.X b. a. The…
A: Exothermic reactions can be defined as the reactions wich involve release of heat energy during…
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: For the purpose of determination of agricultural pesticides in river water, 3.2 liters of river…
A: Distribution coefficient = Kd = Concentration of solute in organic phase / Concentration of solute…
Q: In class, we derived the expression: ln XA =(ΔvH/R) ((1/T)-(1/T°)) where A represents the solvent…
A: Interpretation- To drive the expression which is given as ∆Tb = XB (RT°2/ΔvH) by using the equation…
Q: An excess amount of Ba(NO3)2 was added to 2 liters of water at 25 oC until the solution is…
A:
Q: A pharmacist needs 250 mL of 80% v/v alcohol to macerate a dried sample weighing 100 grams. If the…
A: Given : Desired concentration (% (v/v)) of alcohol = 80 % Volume of solution required = 250 mL And…
Q: VII.(10).At 25°C the total volume V(cms) of a solution formed from MX salt and1.000 kg of water fits…
A: The total volume of solution formed from salt and water expression is as follows: V(cm3) = 1001.21 +…
Q: A solution contains 30 wt% water, 25 wt% ethanol, 15 wt% methanol, 12 wt% glycerol, 10 wt% acetic…
A: Given data is as follows: The mass of water = 30 g The mass of ethanol = 25 g The mass of methanol =…
Q: A. FREEZING POINT DEPRESSION Kf (*C/m) of water 1.86 Freezing Point of Water, 0.00 °C SOLVENT 100.0…
A:
Q: The solubility of alum in 25 mL 1.4 M KOH plus 10 mL 9 M H2SO4 (our solution) is approximately 1.0 g…
A: Given: Solubility 1= 1.0 g Solubility 2= 1.7 g T1= 1.0°C T2= 6.0°C Temperature at time of…
Q: One particular pungent gas is the toxic hydrogen sulphide (H2S). Hydrogen sulphide develops an odour…
A: Since you have asked multiple question, we will solve the first question for you. If youwant any…
Q: You are asked to create a 0.35 M solution of calcium chloride (CaCl2) using a 250.0 mL volumetric…
A: 0.35 M solution of calcium chloride is to be made. The solubility of calcium chloride at different…
Q: 6. An aqueous solution of hydrofluoric acid is 12.5 molal with respect to HF and has a density of…
A: Since you've posted multiple sub-parts, we'll solve only the first three sub-parts for you. To get…
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 distribution coefficient of hydrogen sulfide between benzene and water at 25 degrees Celsius is…
A: The solution of the question is given below:
Q: SO4 -two content in 7689mL of a water sample was precipitated as Na2SO4. The precipitated was…
A: The mass of the empty crucible is = 27.0234 g The mass of the crucible plus Na2SO4 is = 27.7708 g…
Q: Prepare 83ml of a 68% (W/V) NaOH solution (Mr(NaOH) = 40.00). Round to 2 positions after the decimal…
A:
Q: 6. a) It was obvious that most of you obtained a contaminated sample of beta naphthol. Look up the…
A: Hello, as your question includes the experiment related information I am unable to do that part but…
Q: 1. kf for cyclohexane (°C • kg/mol) 20.0 2. Freezing-point change, AT;(°C) 3. Mass of cyclohexane in…
A: Step 1) Kf = 20∘C kg/mol 2) Depression in the freezing point of solution : ∆Tf = Tf(solution) -…
Q: A. FREEZING POINT DEPRESSION Kf (*C/m) of water Freezing Point of Water, °C SOLVENT 1.86 0.00 100.0…
A: The data given is,
Q: A. FREEZING POINT DEPRESSION Kf (°C/m) of water Freezing Point of Water, 1.86 0.00 °C SOLVENT 100.0…
A: Mass of water = 100g Freezing point of water = 0.00°C Kf of water = 1.86°C/m Freezing point of…
Q: The resultant solution had a freezing point of 177.9 °C when 0.270 g of the solute was dissolved in…
A: The freezing point depression (ΔTf) is related to the molality (m) and the freezing point depression…
Q: Cr (Na)( Cr)(Na (Na Cr (Na)( Cr (Na Cr (Na Cr Na) (Na Cr )(Na)Cr . The process of dissolution of…
A:
Q: Solve the set of problems shown below with reference to the following information about ethanol.…
A: Here we are required to find the molarity of ethanol in the wine with information stated above.
Q: Estimate the molality (mol/kg) of oxygen in water at 25 °C and given that the partial pressure of O2…
A:
Q: One gallon of certain lotion contains 946 mL of benzyl benzoate. Calculate the percentage (v/v) of…
A: Solution - According to the question - Given - One gallon = 3.8 liter 3.8 liter contains 946 mL of…
Q: Calculate the solubility of MgF2 (MW = 62.3 g/mol) in water at 25 °C if its Ksp is 7.4 x 10-11.? No…
A: From ICE TABLE-
Q: Solve the set of problems shown below with reference to the following information about ethanol.…
A: Given -> Molar mass of ethanol = 46.069 g/mole Density of ethanol = 0.7893 g/ml (V/V)% of ethanol…
Q: Calculate the average partial molar volume (in cm³/mol) of MgSO4 in the interval [0.1, 0.2] mol of…
A:
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: If a pure solvent has a vapor pressure of 155 kPa, what is the value of the vapor pressure lowering…
A: Moles of solute = 2 Moles of solvent = 3 Vapour pressure of pure solvent = 155 KPa Lowering in…
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: 4- Henry's -law constants km' of the relation m= km'P for nitrogen and oxygen in water at 0 °C are…
A: Given: Henry Law Constant for Nitrogen in water =0.00102 mol L-1 bar-1 Henry Law Constant for…
Q: The osmotic pressure of an aqueous solution at 300K is 250.0 kPa. (1)Calculate the molarity of…
A: Assumed molarity and molality is same for solution. osmotic pressure= π=CRT ∆Tf=Kfm ∆Tf= Tf°-Tf Tf=…
Q: the ideal solubility
A:
Q: In addition to filling in the blanks below, show all of your work for this problem on paper for…
A: Given Concentration = 25% Standard value Molar mass of Ca(NO3)2 = 164 g/mol
Q: Temperature - distillate volume plot for fractional distillation of benzene (b. pt. 80°C) and…
A: When temperature becomes above than that of the boiling point, then that particular liquid start…
Q: A. FREEZING POINT DEPRESSION Kf (°C/m) of water 1.86 Freezing Point of Water, 0.00 °C SOLVENT 100.0…
A:
Q: When 1 mol of a nonvolatile, nondissociating solute is dissolve 3 mol of volatile solvent, the ratio…
A:
Q: An experiment was conducted using KNO3. The table below shows the data obtained after dissolving…
A: Given, 2g in 10ml saturates t 52.5°C 4g in 10ml saturates t 54.7°C 6g in 10ml saturates t 66.7°C 8g…
Step by step
Solved in 2 steps with 2 images
- 6-35 Describe how we would prepare the following solutions: (a) 280. mL of a 27% v/v solution of ethanol C2H6O, in water (b) 435 mL of a 1.8% v/v solution of ethyl acetate, C4H8O2 in water (c) 1.65 L of an 8.00% v/v solution of benzene C6H6, in chloroform, CHCI3A solution is prepared by dissolving 40.00 g of MgCl2 (f.w. = 95.211 g mol–1), a non-volatile solute, in enough water (m.w. = 18.02 g mol–1) to result in exactly 2 L of solution at 25 °C. Assume the density of the solution is that of pure water (dsolution = 1.000 g mL–1). The ebullioscopic constant (Kb) for water is 0.513 °C m–1. The cryoscopic constant (Kf) for water is 1.86 °C m–1. The vapor pressure of pure water is 0.0313 atm. Determine the freezing point of the solution.A solution is prepared by dissolving 40.00 g of MgCl2 (f.w. = 95.211 g mol–1), a non-volatile solute, in enough water (m.w. = 18.02 g mol–1) to result in exactly 2 L of solution at 25 °C. Assume the density of the solution is that of pure water (dsolution = 1.000 g mL–1). The ebullioscopic constant (Kb) for water is 0.513 °C m–1. The cryoscopic constant (Kf) for water is 1.86 °C m–1. The vapor pressure of pure water is 0.0313 atm. Determine the osmotic pressure in atm.
- 1) Commercial fuming Sulphuric acid (Oleum-H2S2O6) is 99.9% solution. Please convert it into molarity.2) Find out the Volume (dm3) of product (gas) at RTP when 0.58 M, 150 mL NaOH (aq.) reacts with 350 mL, 0.25 NH4Cl.ST5G.1- What is the approximate solubility [in units of MILLImolar] of an ionic compound M2X3 with ions M3+ and X2- if Kg = 5.6*10-7? The values for Kg and ion charges may be %3D unrealistic for the sake of problem-solving variety and ease-of-use in Canvas. Type your answer..SO4 -two content in 7689mL of a water sample was precipitated as Na2SO4. The precipitated was filtered, washed and calcined in an empty crucible with a mass of 27.0234g. The mass of the crucible plus Na2SO4 (142g/mol) was 27.7708g. Calculate the %m/v of Na (23g/mol) and the concentration of Na in the sample in ppm.
- A solution is prepared by dissolving 40.00 g of NaCl (f.w. = 58.44 g mol–1), a non-volatile solute, in enough water (m.w. = 18.02 g mol–1) to result in exactly 1 L of solution at 25 °C. Assume the density of the solution is that of pure water (dsolution = 1.000 g mL–1). The ebullioscopic constant (Kb) for water is 0.513 °C m–1. The cryoscopic constant (Kf) for water is 1.86 °C m–1. The vapor pressure of pure water is 0.0313 atm. Find the freezing point of the solution(in C to 2 decimal places)A solution is prepared by dissolving 40.00 g of NaCl (f.w. = 58.44 g mol–1), a non-volatile solute, in enough water (m.w. = 18.02 g mol–1) to result in exactly 1 L of solution at 25 °C. Assume the density of the solution is that of pure water (dsolution = 1.000 g mL–1). The ebullioscopic constant (Kb) for water is 0.513 °C m–1. The cryoscopic constant (Kf) for water is 1.86 °C m–1. The vapor pressure of pure water is 0.0313 atm. Determine the following: Boiling point of solution (in °C to two decimal places) Freezing point of solution (in °C to two decimal places) Vapor pressure of the solution (in atm to three decimal places) Osmotic pressure (in atm to three decimal places)A solution is prepared by dissolving 40.00 g of NaCl (f.w. = 58.44 g mol–1), a non-volatile solute, in enough water (m.w. = 18.02 g mol–1) to result in exactly 1 L of solution at 25 °C. Assume the density of the solution is that of pure water (dsolution = 1.000 g mL–1). The ebullioscopic constant (Kb) for water is 0.513 °C m–1. The cryoscopic constant (Kf) for water is 1.86 °C m–1. The vapor pressure of pure water is 0.0313 atm. Determine the boiling point of the solution(in C to 2 decimal places)
- A solution is prepared by dissolving 40.00 g of NaCl (f.w. = 58.44 g mol–1), a non-volatile solute, in enough water (m.w. = 18.02 g mol–1) to result in exactly 1 L of solution at 25 °C. Assume the density of the solution is that of pure water (dsolution = 1.000 g mL–1). The ebullioscopic constant (Kb) for water is 0.513 °C m–1. The cryoscopic constant (Kf) for water is 1.86 °C m–1. The vapor pressure of pure water is 0.0313 atm. Find the osmotic pressure in atm to three decimal placesA solution is prepared by dissolving 40.00 g of NaCl (f.w. = 58.44 g mol–1), a non-volatile solute, in enough water (m.w. = 18.02 g mol–1) to result in exactly 1 L of solution at 25 °C. Assume the density of the solution is that of pure water (dsolution = 1.000 g mL–1). The ebullioscopic constant (Kb) for water is 0.513 °C m–1. The cryoscopic constant (Kf) for water is 1.86 °C m–1. The vapor pressure of pure water is 0.0313 atm. Find the vapor pressure of the solution to 3 decimal places in atm.A 25mL volumetric pipet is used to deliver a sample of the stock solution marked “0.6000M X2SO4” into a 100mL volumetric flask. Distilled water is added to the flask until it is about 3/4thfull, the solution is mixed well, then more water is added to fill it up to the calibration mark, then it is mixed again. Calculate the concentration of X+ion in the dilute solution made above.