Describe the preparation of a 700 mL of 4.36% (w/v) aqueous ethanol (C2H; OH, 46.1 g/mol). Weigh ___ g ethanol and add enough water to give a final volume of ____ mL. 700 g of 4.36% (w/w) aqueous ethanol. Mix ____ g ethanol with ____ g water. 700 mL of 4.36% (v/v) aqueous ethanol. Dilute ____ mL ethanol with enough water to give a final volume of ____ mL.

Q: What is the freezing point of a solution prepared from 91.9 g ethylene glycol (C2H6O2) and 90.0 g…

A: Given, Mass of ethylene glycol (solute) = 91.9 g  Mass of water (solvent)= 90.0 g = 0.090 kg Molal…

Q: What is the molar concentration of HNO3 (63.0 g/mol) in a solution that has a specific gravity of…

A: Given that, Molar mass of HNO3 = ( 63.0 g/mol) Specific gravity = 1.15  And 65% (%w/w) of HNO3…

Q: How many grams of NaBr are needed to prepare 21.6 g of 5.06% (w/w) NaBr solution in water? How many…

A: Answer: Formula to calculate (w/w)% of solute is shown below: (w/w)% of solute=Mass of soluteMass…

Q: Preparation of Solution: Describe how to make the following solutions: a. 500.0 g of a 5.32% w/w…

A: a) Given: %(w/w) of H2S = 5.32 % And mass of solution = 500.0 g.

Q: What is the %(w/v) of a 0.500 M glucose (C6H12O6) solution? MM of glucose is 180 g/mol. 18.0% 1.80%…

A:

Q: You dissolve 6.31 g of potassium formate in 250 mL of 0.25 M formic acid (HCOOH). This solution was…

A: Given,  Mass of KHCO2 = 6.31 g  Molar mass of KHCO2 = 84.12 g/mol  Molarity of HCOOH = 0.25 M…

Q: a) What mass of a 30% (w/w) hydrogen peroxide solution is required to provide the 3.06g H2O2…

A: Given, mass of hydrogen peroxide =3.06 g volume = 5.0 mL molarity of solution = 3.6 M

Q: Pure water boils at 100.0  ºC. A solution made by dissolving sugar (C12H22O11) in 484.9  g of water…

A:

Q: 1. You have prepared a solution that contains 50 mL of aqueous sulfuric acid and 1000 mL of water.…

A: Solutes are those substances that form homogeneous solutions after getting dissolved in another…

Q: If you wanted to prepare 3.00 liters of a 2.5% (w/w) aqueous solution of potassium chloride (KCl)…

A: Given : Mass % of KCl i.e % (w/w) of KCl = 2.5 % Density of solution = 1.00 g/mL And volume of…

Q: Volume of concentrated reagant required to prepare diluted solutions below: 16 M H3PO4 to prepare…

A: Given Four different diluted solutions whose volume of concentrated reagent is to be determined.

Q: State how to prepare the following solutions. Identify the solute and the solvent for each…

A:

Q: Calculate the mass percent (m/m) of 25.0 g KCl dissolved in 125 g of water?

A: Mathematically,Mass percentage of an substance is equal to the ratio of mass of given substance to…

Q: Prepare 250 ml of 2.5% w/v NaCl

A: Solutions are prepared in various concentration. One of such concentration is weight by volume…

Q: hat is the freezing point of a water solution with the total volume of 1.00 L, that is made by…

A: Normal freezing point of water = 00 C Density of water = 1Kg/L

Q: Calculate the mass of a 25.0 wt% KOH solution required to make 525.0 mL of 0.285 M KOH. mass: g

A:

Q: A compound with the percent composition shown below has a molar mass of 182.17176 g/mol. Find it's…

A: To determine the molecular formula of the compound, we need to first determine empirical formula.…

Q: What is the %v/v of 10.0 mL of CH3OH (methanol) dissolved in water to a volume of 40.0 mL?

A: Given, Volume of CH3OH = 10 mL, Volume of…

Q: 500 mL of 1.0 M HCl solution from a concentrated reagent. Concentrated HCl is 36% (w/w)

A: The molarity of the solution is the number of moles of solute present in 1 litre of the solution.…

Q: Solute: MgCl2 Composition of Solution: moarity 4.0 at 20 degrees C Density, g/mL: 20 degrees:…

A: Given: Concentration of the solution at 20°C is 4 M. Density at 20°C is 1.269 g/mL. Density at 80°C…

Q: Which of the following procedures is the most suitable for preparing 500. mL of a 0.120 M aqueous…

A: The volume of the solution is = 500 mL The molarity of the solution is = 0.120 M The molar mass of…

Q: A 3.0-g sample of a nonelectrolyte was isolated from beef fat. The molecular weight of the compound…

A: Given data: Normal boiling point of ethyl alcohol (Tbo) = 78.41 ℃ Kb of ethyl alcohol = 1.22 ℃/m…

Q: What mass of carbon dioxide (in g) is dissolved in 1,248.9 mL of water at 25°C when the partial…

A:

Q: Ethanol (Kb = 0.374 °C/m) typically has a boiling point of 78.3°C. What will be the new boiling…

A: The elevation is boiling point is given by  ΔTb = Kb X m X i where m = molality of solution = moles…

Q: How is 250 mL of 0.5M CsCl prepared? MW: Cs: 132.91 g/mol; Cl: 35.45 g/mol

A: Given, Molarity of CsCl solution = 0.5 M = 0.5 mol/L Volume of the solution = 250 mL = 0.250 L…

Q: The freezing point of water is 0.00°C at 1 atmosphere.  How many grams of ammonium chloride (53.50…

A: Given: The mass of water is 288.0 g. The freezing point of the solution is 0.500°C. The Kf for water…

Q: A dioxin-contaminated water source contains 0.085% dioxin by mass. How much dioxin is present in 2.5…

A: The answer to this question is as follows---------- density = mass/volume

Q: Enter your answer in the provided box. A solution is prepared by dissolving 396 g of sucrose…

A: The Given data for the solution of Sucrose and water

Q: (Q68) What mass (in grams) of ethylene glycol (C2H6O2) must be added to 1,137 grams of water to…

A: Molality of a solution can be defined as the number of moles of solute dissolved per kilogram of the…

Q: 1.- The number of grams of Li2CO3 in 225 mL of 1.55 M Li2CO3 solution

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: State how to prepare the following solutions. Identify the solute and the solvent for each…

A: substance that is dissolved into another substance, is called solute. whereas substance that…

Q: Place 8.5 g of sodium nitrate and 7.5 g of potassium chloride  in a 100 ml beaker and add 25 ml of…

A: Instead of "polarity", molarity is assumed as there is no sense of the word polarity in the given…

Q: What is the molarity of a 750 mL solution that contains 10.0 grams of Silver Nitrate, AgNO3?

A: In order to find the number of moles of silver nitrate, AgNO3  present in that 10 g sample, use the…

Q: gaseous mixture contains the following (%n/n is percent by mole): 15%n/n O₂, 23%n/n N₂, 4%n/n CH₄,…

A: Ideal gas equation is : PV = nRT  At constant temperature and pressure :  V ∝ n

Q: What is the Kf of C6H12 using this data?

A:

Q: The volume of water needed to prepare 400 ml of 40% (v/v) ethanol mixture is ---ml 240 O 200 O 160

A: We have 40% v/v ethanol mixture  of 400 ml , we have to predict volume of water needed.

Q: 9. Calculate the boiling point of a solution of 500.0 g of ethylene glycol (C2H602) dissolved in…

A: Answer:Properties of a solution that depend on the number of solute particles present in the…

Q: Calculate the %w/v of a solution made by dissolving 22.0 g CH3OH (methanol) in C2H5OH (ethanol) to…

A: Consider the given information is as follows; Mass of solute (methanol) = 22.0 g Volume of solution…

Q: Arrange the following compound base on its decreasing solubility in water * А. B. H H H H HHH…

A:

Q: What is the freezing point of a solution prepared from 53.3 g ethylene glycol (C2H6O2) and 86.4 g…

A: Given: Mass of ethylene glycol (C2H6O2)=53.3 g Mass of water=86.4 g=0.0864 kg Kf of water =1.86°C/m.…

Q: A solution is prepared by adding 0.9 mol of KCl (MW = 74.55 g/mol) to 893 g of water. The…

A: