Aqueous ethanol solutions are prepared by mixing measured weights of assayed ethanol and organic-free water. What is the molality of an aqueous solution that is 18.5 % ethanol, C2H5OH , by mass? Atomic Mass:    C=12.01 ;  H=1.008  ;   O = 16.0 Express your answer in two decimal place

Q: The molality concentraion of a solution can be described as  - the moles of solute per liter of…

A: Molarity is defined as the moles of solute per litre of a solution. Molarity is also known as the…

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A: Percent Composition: It tells about the percent of each element present in the compound.…

Q: Calculate the osmotic pressure of a 0.227 M aqueous solution of sucrose, C12H„Oµ, at 37 °C. П- atm

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A: Since you have posted a question with multiple sub-parts,we will solve first three sub-parts for…

Q: An aqueous solution is 15.2% copper (II) chloride (CuCl2) and has a density1.089 g/mL   (a)  What is…

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Q: The osmotic pressure of a solution formed by dissolving 0.025 g of aspirin (C,H;O4) molar mass=180…

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Q: Aqueous ethanol solutions are prepared by mixing measured weights of assayed ethanol and…

A: We have to calculate the molality.

Q: Aqueous ethanol solutions are prepared by mixing measured weights of assayed ethanol and…

A:

Q: Aqueous ethanol solutions are prepared by mixing measured weights of assayed ethanol and…

A: Molality = moles of solute/weight of solvent Moles of solute =given mass/ molar mass

Q: Aqueous ethanol solutions are prepared by mixing measured weights of assayed ethanol and…

A: Molality is defined as number of moles of solute per kg of solvent.

Q: Calculate the molality of a solution prepared by dissolving 15 grams of ethylene glycol (HOCH2CH2OH)…

A: Given mass of ethylene glycol = 15 g Molar mass of ethylene glycol = 62.07 g/mol Number of moles =…

Q: If NaCl has a solubility of 36.0 g in 100. g of H2O at 20 °C, how many grams of water are needed to…

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Q: 5. What is the molarity of a water solution that contains 22.2g of C,H,„O, in a total volume of…

A: Hi, since you have posted multiple questions. We will answer the very first question for you. Kindly…

Q: 1.If 521.0 grams of water (H2O MM 18) were mixed with 24.0 grams of NaCl (MM 58) what would be: a.…

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Q: 1- Calculate the mass of NaOH which is required to prepare 0.1 M in 250 cm3 aqueous solution (molar…

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

Q: What is the boiling point of a solution made using 843 gg of sucrose, C12H22O11C12H22O11, in 0.300…

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Q: In the following table are listed various aqueous solutions. For one or more of the solutions…

A: I am solving all the concentration terms for HCl.   a) weight %= 25 already given 25g of HCl present…

Q: Density of Mole fraction of Molarity Molality % by Mass ppm solution solute 1.05 1.13

A: Given that:  Density of KOH solution : 1.05g/ml Molarity = 1.13M = 1.13mol/L Molar mass of KOH =…

Q: Aqueous ethanol solutions are prepared by mixing measured weights of assayed ethanol and…

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Q: Calculate the concentration, in molality, of a sodium chloride solution created by dissolving 1.000g…

A: Here i have applied the molality formula

Q: Aqueous ethanol solutions are prepared by mixing measured weights of assayed ethanol and…

A: 26.2% ethanol by mass means 26.2 gm ethanol and 73.8 gm water are present.  Molecular weight of…

Q: Aqueous ethanol solutions are prepared by mixing measured weights of assayed ethanol and…

A: Given that:  Mass percent of ethanol = 29.4 %  Mass % = (mass of solute/mass of solution)×100

Q: What is the percent composition (% w/v) of the solution created by dissolving 2 packets of sugar…

A: Ice tea volume = 24 ounce  1 ounce = 29.57 mL Ice tea volume =29.57×24 mL=709.68 mL

Q: An aqueous solution that is 4.61% NaOH by mass has a density of 1.06 g/mL.  Calculate the molarity…

A: Given,  Mass percentage of NaOH = 4.61%  Density = 1.06 g/mL  Calculate  a). Molarity = ?  b). Moles…

Q: What is the molality, m, of the solution?

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Q: Aqueous ethanol solutions are prepared by mixing measured weights of assayed ethanol and…

A: % by mass of ethanol = 34.5 % Mol. Mass of ethanol = 46.068 g/mol We have to convert % by mass into…

Q: A solution with 1.0 mol C2H5OH in 100g of solvent has the same molality as a solution with 1.0 mol…

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Q: Aqueous ethanol solutions are prepared by mixing measured weights of assayed ethanol and…

A: Molality of 17.8% ethanol can be calculated as given below.

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Q: 5) While making an inventory of the Chemistry Laboratory, Din Djarin found a dusty amber bottle…

A: Colligative property is properties of solutions. Which is basically depending on no of particles of…

Q: HCl Wt% HCl = 25% 1.149 1.115

A: g)Molarity at 20oC Calculating the Molarity of 25 wieght % solution of HCl with the density of…

Q: Aqueous ethanol solutions are prepared by mixing measured weights of assayed ethanol and…

A: Given that : % mass of ethanol in the aqueous solution = 26.8 % Atomic mass of C = 12.01 g/mol…

Q: Aqueous ethanol solutions are prepared by mixing measured weights of assayed ethanol and…

A: Molality is defined as No.of moles of solute devided by mass of solvent in Kg .

Q: Aqueous ethanol solutions are prepared by mixing measured weights of assayed ethanol and…

A: To Solve this problem first we have to calculate the number of moles of ethanol then we will…

Q: 0.9% (w/v) sodium chloride (MW = 58.44 g/mol) solution (Normal Saline Solution) has an osmotic…

A: Given: Density of sodium chloride = 2.16 g/mL Molar mass of NaCl = 58.44 g/mol T(K) = T(Co) + 273=…

Q: What is the molality of a 0.5000 M solution of sucrose, C12H22O1 in water? the density of the…

A: Molality is moles of solute in 1000 g solvent.  Molarity is  moles of solute in 1000 ml of solution.

Q: An aqueous solution is 15.2% copper (II) chloride (CuCl2) and has a density1.089 g/mL   (a)  What is…

A: 15.2% Copper (II) chloride means 15.2 g of copper (II) chloride present in 100 g of the solution.…

Q: 1.Calculate the molality of a solution containing 10.8g of ethylene glycol (C2H602) in 360g of…

A: Molality of solution is defined as number of moles of solute dissolved per kg of solvent.

Q: Aqueous ethanol solutions are prepared by mixing measured weights of assayed ethanol and…

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Q: A 20% wt/wt aqueous solution of NaCl at 25 degree Celcius has 1.145 g/mL density. Express the amount…

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Q: Aqueous ethanol solutions are prepared by mixing measured weights of assayed ethanol and…

A: Given  Mass % of C2H5OH  = 45.1 %  Molality of solution = ?

Q: What is the molality of a solution prepared by dissolving 40.0 grams of glucose (C6 H12 O6) in 4.00…

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Q: Aqueous ethanol solutions are prepared by mixing measured weights of assayed ethanol and…

A: Molality is defined as no.of moles of solute devided by mass of solvent in Kg.

Q: Fill in the table below for aqueous NAOH solutions Molality 2 molal Molarity % mass/mass Mole…

A: 1.  denominator of the given term is let 1 and other terms can be calculated . 2. For inter…

Q: Aqueous ethanol solutions are prepared by mixing measured weights of assayed ethanol and…

A: We have to calculate the molality of solution..

Q: What is the mole fraction of 25% sucrose solution (C 12 H 22 O 11 )? Find its molality.

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Q: A (non-aqueous) solution is found to have a molality of 2.33 molal and experiences a freezing point…

A: The freezing point depression constant (Kf) for a solvent, it is to be determined from the given…