Determine the molality of a solution of ethanol dissolved in water for which the mole fraction of ethanol is 0.246. Give your answer to 2 decimal places
Determine the molality of a solution of ethanol dissolved in water for which the mole fraction...
Determine the molality of a solution of methanol dissolved in ethanol for which the mole fraction of methanol is 0.417. Give your answer to 2 decimal places.
1. Determine the molality of a solution prepared by dissolving 4.95 g of potassium chloride in 70 g of water. Enter your answer to 2 decimal places 2. Determine the molality of a solution of benzene dissolved in toluene (methylbenzene) for which the mole fraction of benzene is 0.132. Give your answer to 2 decimal places. 3. How many moles of solute particles are present in 7.89 mL of 0.458 M K2SO4? When you have your answer, take the LOG...
1.Determine the molarity of a solution that contains 8.4 moles of ethanol dissolved in 4.7 liters of solution. Answer to 2 decimal places. 2.Determine the mole fraction of ethanol, C2H5OH (Molar mass = 46.08 g/mol) when 13.4 grams of ethanol is dissolved in 96.1 grams of water, H2O (Molar mass = 18.02 g/mol).
An aqueous solution is 34.0% by mass ethanol, CH3CH2OH. The mole fraction of ethanol in the solution is ? The mole fraction of nickel(II) bromide, NiBr2, in an aqueous solution is 2.00×10-2. The percent by mass of nickel(II) bromide in the solution is? The molality of potassium bromide, KBr, in an aqueous solution is 2.44 mol/kg. What is the mole fraction of potassium bromide in the solution?
9 ro what is the mole fraction of ethanol, CH CHOI, in a liquor that is 15.0% ethanol by mass? More Practices Calculate the molality of a solution that contains 25 g of H SO, dissolved in 40. g of H2O. What mass of water must be used to dissolve 20.0 grams of ethanol, C:HsOH, to prepare a 0.0500 molal solution of ethanol?
Determine the molality and mole fraction of sucrose if a solution is prepared by dissolving 100.6 g of table sugar (sucrose, C12H22O11) in 985 g of water
What is the mole fraction of ethanol in a solution made by dissolving 14.6g of ethanol, C2H5OH, in 53.6g of water? A) 0.106 B) 0.214 C) 0.0964 D) 0.272 Please show your work!!!!!!!!!!!! :)
Calculate the molality and mole fraction of a solution made by dissolving 8 gm of (Molar mass of NaOH = 40 g / mol Q.2 pure NaOH in 200 ml of water
Calculate the molality, molarity, and mole fraction of FeCl3 in a 21.6 mass % aqueous solution (d = 1.280 g/mL). molality _______ m molarity _______M mole fraction ________
What is the mole fraction of ethanol in a solution made by dissolving 29.2 g of ethanol, C2H5OH, in 53.6 g of water?