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Because whoever told you this is an idiot or lives in an alternative universe.
NaCl is a solid at room temperature. Ethanol is a liquid at room temperature. NaCl, as an ionic compound, has a higherfreezing point than a covalently bonded compound such as ethanol.
Another possibility is that you didn't understand what was said and left out some words in your question. If you add an equal number of moles of sodium chloride and ethanol to the same amount of water, the sodium chloride solution will have a lower freezing point for several reasons, chief among them that sodium chloride dissociates in water and ethanol doesn't.
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∙ 12y ago
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Will NaCl's affect the freezing point of a solution make the freezing point increase?
The freezing point of water solutions containing sodium chloride is lower.
Which ionic compound will lower the freezing point the most of 1 mol of it is added to 1 mol of it is added to 1 L of water?
NaCl
Can regular salt melt ice?
Yes, because the freezing point of salted water is lower; the heat of NaCl dissolution is released.
Which has a higher melting point HF NaCl HCl Cl2?
NaCl has ther highest melting point, as it is a solid at room temeprature. The other are gases and there fore have much lower boiling points and lower again for melting points.
Why calcium chloride is added with sodium chloride in metallurgy of sodium?
Because the mixture NaCl + CaCl2 has a lower melting point that NaCl.
Will NaCl's affect the freezing point of a solution make the freezing point increase?
The freezing point of water solutions containing sodium chloride is lower.
What happens when freezing H2O and NaCl?
The freezing point of the solution depends on the NaCl concentration.
Which would lower the freezing point more 100 moles of sugar or 100 moles of NaCl?
100 moles of NaCl
How does NaCl lower the freezing point of water?
Any solute lowers the freezing point; there's nothing special about NaCl. One way to think about this is that the solute molecules "get in the way" of the freezing process: they don't fit into the regular crystalline lattice of the solid, which makes it harder to go from a liquid to a solid, which means the freezing point goes down.
How does the presence of dissolved sodium chloride affect the boiling and freezing point of water?
Dissolved solute (NaCl, salt) will raise the boiling point and lower the freezing point of water. This is known as a colligative property.
Can you lower freezing point of pure water?
The solution that will lower the freezing point of water the most is going to be the solution with the highest concentration of particles. This will likely depend on whether the salt dissociates into 2, 3, etc... particles.
Which ionic compound will lower the freezing point the most of 1 mol of it is added to 1 mol of it is added to 1 L of water?
NaCl
Can regular salt melt ice?
Yes, because the freezing point of salted water is lower; the heat of NaCl dissolution is released.
Which has a lower freezing temperature 0.10 m NaCl or 0.10m glucose?
Glucose
Why would you expect a 1.5 m CaCl2 solution to have a lower freezing point than a 1.5 m NaCl solution?
CaCl2 has more particles when dissolved
How does NaCl melt ice?
Yes, because the heat of dissolution in water of NaCl is released and the freezing point of water lowered.
What occurs when NaCl is added to water?
The boiling point of the solution increases, and the freezing point of the solution decreases.
