Part A What mass of salt (NaCI) should you add to 1.94 L of water in...
PEIT A What mass of salt (NaCl) should you add to 1.90 L of water in an ice cream maker to make a solution that freezes at-11.4 C ? Assume complete dissociation of the NaCl and density of 1.00 g/mL for water. VAE ? m(NaCl) Request Answer Submit PEIT A What mass of salt (NaCl) should you add to 1.90 L of water in an ice cream maker to make a solution that freezes at-11.4 C ? Assume complete dissociation...
Part A What mass of salt (NaCl) should you add to 1.02 L of water in an ice cream maker to make a solution that freezes at -13.8°C? Assume complete dissociation of the NaCl and density of 1.00 g/mL for water.
What mass of salt (NaCl) should you add to 1.14 L of water in an ice-cream maker to make a solution that freezes at -11.8 C? Assume complete dissociation of the NaCl and a density of 1.00 g/mL for water and use Kf=1.86 C/m.
1) An aqueous solution containing 15.9 g of an unknown molecular (nonelectrolyte) compound in 103.0 g of water was found to have a freezing point of -1.5 ∘C. Calculate the molar mass of the unknown compound. b) Determine the required concentration (in percent by mass) for an aqueous ethylene glycol (C2H6O2) solution to have a boiling point of 109.3 ∘C. c) What mass of salt (NaCl) should you add to 1.90 L of water in an ice cream maker to...
To make homemade ice cream, you cool the milk and cream by have a water-salt solution that freezes at -10. °C, what mass of NaCl must you add to 4.0 kg of water? (Assume the van't Hoff factor, i, for NaCl is 1.85, Kp(H20)-1.86 C/m) immersing the container in ice and a concentrated solution of rock salt NaCl) in water. If you want T pt Mass Submit Answer Try Another Version iteen attempts remaining 1 pr
30. How many Tablespoons of table salt (NaCI) would you need to add to 2 quarts of water to increase the boiling point by 5°C? (1 Tablespoon NaCl = 17.06 g; 1 quart-0.946 L; d(H2O) 1.0 g/mL) (a) 17 (b) 32 (c) 79 (d) 540 31 . A covalent compound with molar mass of 62.0 g/mol was dissolved in water at 20.0°C to yield a 2.00 L solution with an osmotic pressure of 524 torr. What mass of the compound...
Question 1. A 2.700×10−2M solution of NaCl in water is at 20.0∘C. The sample was created by dissolving a sample of NaCl in water and then bringing the volume up to 1.000 L. It was determined that the volume of water needed to do this was 999.3 mL . The density of water at 20.0∘C is 0.9982 g/mL. a.)Calculate the molality of the salt solution. B.) Calculate the mole fraction of salt in this solution. C.) Calculate the concentration of...
Part A What mass of sucrose (C12H22011) should be combined with 501 g of water to make a solution with an osmotic pressure of 8.55 atm at 300 K ? (Assume the density of the solution to be equal to the density of the solvent.) IVO A ¢ A A O 2 ? Submit Previous Answers Request Answer X Incorrect; Try Again The volume of the solution, in liters, should be included in the calculation. The osmotic pressure, II, is...
a.) Salt solution is 12.0% NaCl by mass, with a density of 1.023 g/mL. What are the molarity, molality, and mole fraction of this solution? b.) How many grams of salt would you need to add to 500 mL of this solution to raise its mole % to 5.00?
4 A 12.34 mL solution with an unknown salt concentration had a mass of 10.25 g. When the water was evaporated from the solution, 4.78 g of NaCI remained. a Calculate the mass-mass percent NaCi concentration in the solution. Show your work b Calculate the mass-volume percent NaCl concentration in the solution. Show your work. c Calculate the molarity of NaCI in the solution. Show your work.