An aqueous solution of sodium hydroxide contains 30.0% NaOH by mass. It is desired to produce an 10.0% NaOH solution by diluting a stream of the 30% solution with a stream of pure water. Calculate the ratios (liters H2O/kg feed solution) and (kg product solution/kg feed solution).

Q: A solution consists of 39.2 g of ethanol (CH3CH2OH), 139.8 g water, and has a volume of 185 mL.…

A:

Q: Vapor Pressure Lowering The vapor pressure of a pure solvent is REDUCED when a nonvolatile solute is…

A: Answer:- The Raoult’s law states that the vapour pressure of a solution is directly proportional to…

Q: On the basis of 1,000 mL final solution, it is desired to prepare an aqueous solution containing 20%…

A: The mass of water in g is calculated as shown below.

Q: In addition to filling in the blanks below, show all of your work for this problem on paper for…

A:

Q: Calculate the mass flow rates of 15% and 60% by mass sucrose solution which must be mixed to prepare…

A: The problem described in the above involves the calculation of mass flow rates for two different…

Q: Using the value of 1.853 degrees C/m for Kf, determine the difference in freezing point depressions…

A: Depression of freezing point: The temperature at which equilibrium is established between liquid and…

Q: To prepare 100ml of 0.2M from the stock solution (10M) we need to dilute 4ml of the stock solution…

A: To prepare a solution of given concentration from the stock solution, we need to use the molarity…

Q: 4. Calculate the molar concentration of a 20.0% solution (w/w) of KCI that has a specific gravity of…

A: Number of moles is calculated by dividing the given mass with molecular mass.

Q: Calculate solution concentration. A solution consists of 55.0 g of ethanol, CH3CH₂OH, and 124.0 g…

A: Answer: Given data: methanol=55.0gmwater=124.0gVsolution=188mL Molar mass of ethanol…

Q: Dissolved 2.5 gm of magnesium chloride (MgCl) in 250ml distilled water and then diluting (10 ml) of…

A: Given, Mass of MgCl2= 2.5 g Volume of distilled water =250 mL

Q: a) We have a solution with the following mass composition: 15% glucose (C,H12O.), 60% water (H,0)…

A: The molar mass of C = 12g/mol The molar mass of O = 16g/mol The molar mass of N = 14g/mol The molar…

Q: In the production of a bottled alcoholic mudslide, 3 ingredients are mixed together and bottled:…

A:

Q: Use the water b.p.–elevation constant Kb(H2O) = 0.512 °C÷(mol solute/kg solvent) to find the boiling…

A: Given: Mass of K2S = 45.2 g Mass of water = 265 g = 0.265 Kg…

Q: Calculate the vapor pressure at 25 °C of hexane above the solution. The vapor pressure of pure…

A:

Q: 12. Recall that the freezing point is depressed by -1.86 °C per mole of solute per kg of water.…

A:

Q: Calculate the boiling point for a non-ideal solution of 16.0 g sodium iodide dissolved in 481 mL…

A: ∆Tb = ikbm   ∆Tb = elevation in boiling point  i = Van't hoff factor  Kb = molal elevation constant…

Q: For OSMOSIS – use this data for your analysis and answer the question in the question guide. Supply…

A: Case- A (saltwater): Weight of Petri dish=45 g Weight of Petri dish + Potato=49 g  Weight of Petri…

Q: 5) what is the mole fraction, Xof methanol in aqueous solution that is 20.0% (m/m) methanol (32.0…

A: a. Mass percentage of methanol (m/m) % = 20.0 % Mass percentage of methanol (m/m) % = mass of…

Q: Express concentration of 1.55 mol% caffeine (CSH10N4O2) in wt solute/ 100 wt solvent. Solvent is…

A:

Q: A solute added to a solvent raises the boiling point of the solution because Molal Boiling-Point…

A: A solute added to a solvent raises the boiling point of the solution because :

Q: A 25.0 mL sample of an electroplating solution is analyzed for its sulfuric acid concentration. It…

A: Hello. Since your question has multiple parts, we will solve the first question for you. If you want…

Q: A spent 1.0 percent caustic soda solution (ρNaOH = 8.42 lb/gal) with a volumetric flow rate of 3.0…

A: The density is defined as the mass of any substance present per unit volume.  Density = massvolume

Q: the concentration of CO2 in a soft drink bottled with a partial pressure of CO2 of 6.5 atm over the…

A: Given data :  1. Solubility of gas (C) =2.2 × 10-1 M  2 . Pressure (P) = 6.5 atm  3. Temperature =…

Q: Using the value of 1.853 degrees C/m for Kf, determine the difference in freezing point depressions…

A: The depression in freezing point of any solution is given by  ΔTf = i X Kf X m  where i = Van't Hoff…

Q: ATOMIC MASSES: Na-23, Cl-35, K-39, O-16, H-1, U-7 Solution Mass NaOH Mass Solute Solvent Mass Solute…

A: Given that,  Mass of solvent = 500 g  Molality of solution = 2.50 mol/g

Q: Which of the following solvents is the best to use for recrystallization of Solute A? Hexane…

A: The recrystallization technique is generally used to purify of any compound in a proper solvent. The…

Q: the determination of molar mass of an unknown substance by ebullioscopic constant, 30 mL of acetone…

A: the elvation in boiling point is calculated by using formula,⊿Tb=Kb×m×iwhere,⊿Tb=change in boiling…

Q: of grams for both of the solute and solvent. 4. Calculate the mole fraction of sodium hypochorite…

A: Mole fraction of NaClO is given by x= no of moles of NaClO /(no of moles of NaClO +no of moles of…

Q: The mass of the salt is 5.006, volume of water is 100ml. Initial temperture is 20 and final…

A: Step 1: Using the specific heat capacity formula, the enthalpy change of the solution is calculated…

Q: In the determination of molar mass of an unknown substance by ebullioscopic constant, 30 mL of…

A: Elevation in boiling point is a colligative property which only depends on the amount of the solute…

Q: In the determination of molar mass of an unknown substance by ebullioscopic constant, 30 mL of…

A: Given data Boiling point of pure Acetone  (solvent)  = 56 oC Boiling point of solution  (solvent +…

Q: Use the graph to estimate the solubility of NaNO3 in water at 40 °C Effect of temperature on solubil…

A: A solubility curve is a graph that compares the amount of solute that will dissolve in a given…

Q: Alcoholic beverages are solutions. Typically, a beer contains about 4.50% (v/v) of ethanol fermented…

A: 4.50 mL ethanol present in 100 mL beer and 2.4 mL ethanol present in 100 mL soju. The density of…

Q: Calculate the molarity of a solution in which 2.0 mol of solute is dissolved in 8.0 L of solvent.

A:

Q: 5) The volume of several aqueous copper sulfate (CuSO4) solutions was precisely measured at SATP.…

A: The objective of this question is to estimate the concentration-dependent partial molar volume of…

Q: stion 4 A sodium sulfate solution is measured at 2.2 molal in pure water at a source company.…

A: The solution is given below -

Q: A solution containing 10.0 % sodium sulfate by weight is cooled to 32° F, where the solid phase is…

A: 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: Calculate the molalities of some commercial reagents from the following data: (Assume 100 g of…

A:

Q: In a certain cement production, 100 kg of limestone containing 90% carbonates (Calcium and Magnesium…

A:

Q: Explain how a solution of two volatile components with strong solute-solvent attractions deviates…

A: Solution is made up of two components: solute and solvent. Component with major amount is called…

Q: Table 1: Data Table mass of ice + water used (9) freezing point of pure water (°C) mass of sample…

A:

Q: Find the boiling point of a solution that is made from mixing 6.50 g of vanilin (MW= 153 g/mol) in…

A: Given data contains, Grams of vanilin (solute) is 6.50 g. Mass of solvent is 60.0 g. Boiling point…