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What is the freezing point depression (ΔT) of a 12.6-m solution of ethylene glycol (antifreeze) in...

  1. What is the freezing point depression (ΔT) of a 12.6-m solution of ethylene glycol (antifreeze) in water? Ethylene glycol is a nonelectrolyte, and the freezing point depression constant of water is 1.86°C/m.
  2. What mass of Zn(NO3)2 must be diluted to a mass of 1.00kg with H2O to prepare 97ppm Zn2+(aq)?
  3. The solubility of 1-pentanol in water is 2.7g per 100g of water at 25°C. What is the maximum amount of 1-pentanol that will dissolve in 2.1g of water at 25°C?
  4. Propyl alcohol, C3H7OH, is a nonelectrolyte. A 0.370-mol sample of propyl alcohol is dissolved in 1.75 kg of water. If the boiling point elevation constant (Kb) of water is 0.512°C/m, what is the boiling point elevation of the solution?
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