Determine the molarity when 12.9 grams of ethanol, C2H5OH (Molar mass = 46.08 g/mol) is dissolved...

Determine the molarity when 12.9 grams of ethanol, C₂H₅OH (Molar mass = 46.08 g/mol) is dissolved in 248.8-mL of solution. Answer to 2 decimal places.

Determine the molality when 4.93 moles of ethanol are dissolved in 0.489 kg of water. Answer to 2 decimal places.

Determine the molality of a solution when 43.4 grams of ethanol, C₂H₅OH (Molar mass = 46.08 g/mol) is dissolved in 0.189 kg of water. Answer to 2 decimal places.

Determine the molality when 24.3 grams of ethanol, C₂H₅OH (Molar mass = 46.08 g/mol) is dissolved in 328 grams of water. Answer to 2 decimal places.

Solutions

Expert Solution

queen_honey_blossom answered 1 year ago

Next > < Previous

Related Solutions

Ethanol, C2H5OH (molar mass = 46 g/mol) is mixed with methanol, CH3OH (molar mass = 32...

Ethanol, C2H5OH (molar mass = 46 g/mol) is mixed with methanol, CH3OH (molar mass = 32 g/mol) to make an ideal solution at a given temperature. If 5.00 g of ethanol and methanol are mixed, what is the resulting vapor pressure of the solution? (the vapor pressure at the same temperature for pure ethanol is 44.5 mm Hg and pure methanol is 88.7 mm Hg)

20.26 grams of unknown 1 (with molar mass 203.67 g/mol) was dissolved in 182.7 mL of...

20.26 grams of unknown 1 (with molar mass 203.67 g/mol) was dissolved in 182.7 mL of ethylene glycol in a calorimeter. What change in temperature would the solution experience as a result of this dissolution? Assume the solution has the same specific heat capacity as pure ethylene glycol. The density of ethylene glycol is 1.11 g/cm3. The ∆Hdissolution for unknown 2 is 124.1 kJ/mol unknown 1.

Calculate the molarity and molality of a solution of 50 grams of ethanol, C2H5OH (density =...

Calculate the molarity and molality of a solution of 50 grams of ethanol, C2H5OH (density = 0.789 g/mL) which is dissolved in 200 mL of water (density = 1.00 g/mL). Please show all work with the correct answer. Thank you!!!

How many g of MgCl2 (molar mass = 95.21 g/mol) have to be dissolved to give...

How many g of MgCl2 (molar mass = 95.21 g/mol) have to be dissolved to give 100 g of an aqueous solution that boils at 101.50 degree C? A) 279g B) 27.9g C) 95.2g D) 93.0g E) 9.30g

A 0.1276−g sample of a monoprotic acid (molar mass = 1.10 × 102 g/mol) was dissolved...

A 0.1276−g sample of a monoprotic acid (molar mass = 1.10 × 102 g/mol) was dissolved in 25.0 mL of water and titrated with 0.0633 M NaOH. After 10.0 mL of base had been added, the pH was determined to be 4.87. What is the Ka for the acid? Answer in scientific notation.

What is the molarity of ethanol (C2H5OH) in a solution of ethanol in water in which...

What is the molarity of ethanol (C2H5OH) in a solution of ethanol in water in which the mole fraction of C2H5OH is 0.144? The density of the solution is 0.9566 g/mL.

Part #1: 30.0 g of glucose (C6H12O6, molar mass = 180.16 g/mol) are dissolved in 100....

Part #1: 30.0 g of glucose (C6H12O6, molar mass = 180.16 g/mol) are dissolved in 100. grams of water (molar mass 18.02). What is the mole fraction of water in solution? Note: glucose is a non-volatile solute. Part #2: At 25.0 oC, pure water has a vapor pressure of 24.2 torr. What would the vapor pressure of the solution in part one be (in torr)? Part #3: A liquid is a mixture of benzene and toluene. The sample contains 0.225...

Context: Performed boiling point elevation lab to determine molar mass of solute dissolved in pure ethanol...

Context: Performed boiling point elevation lab to determine molar mass of solute dissolved in pure ethanol (solute was urea): Question: In regards to intermolecular forces, why is is the assumption that the solute is a nonelectrolyte valid here? What types of intermolecular fires are present in the solvent? For what types of solutes and in which solvent would the van't Hoff factor be larger than 1? The only one that I think I know is the last part - electrolytes...

Chem Question - Gases Molar Mass N = 14.01 g/mol Molar Mass H2O = 18.016 g/mol...

Chem Question - Gases Molar Mass N = 14.01 g/mol Molar Mass H2O = 18.016 g/mol Vapor Pressure of Water at 25 C is 23.76 torr Vapor Pressure of Water at 65 C is 187.54 torr (Show all work and calculations, include units in answer. If calculations must be used in several parts, rounding should be made to 6 decimal points to ensure accuracy. Final Answers can be rounded to 3 decimal points.) A syringe filled with air can be...

An unknown compound with a molar mass of 176 g/mol is analyzed and determine to consist...

An unknown compound with a molar mass of 176 g/mol is analyzed and determine to consist of 40.91 mass percent carbon, 4.58 mass percent hydrogen and the remainder oxygen. What are the empirical and molecular formulas for this compound

Subjects